GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project
                    National Weather Service Historical Great Lakes Ice Reports
                                           Winter 1957
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 Site No. Year Mo Da   T1   T2   C1  T1C1 T2C1  C2  T1C2 T2C2  C3 T1C3 T2C3  IMAGE   Supplemental Information
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      6   1957  2 25   18   24   SC    8   -1        -1   -1       -1   -1  407.TIF  MISSION RIVER                   
      6   1957  3  4   22   -1   SC    5   -1        -1   -1       -1   -1  409.TIF  MISSION RIVER                   
      6   1957  3 11   -1   -1   SO   -1   -1        -1   -1       -1   -1  411.TIF  TO BEYOND THUNDER CAPE          
      8   1957  2 25   22   -1   SC    5   -1        -1   -1       -1   -1  407.TIF                                  
      8   1957  3 11   18   33        -1   -1        -1   -1       -1   -1  411.TIF                                  
      8   1957  3 25   18   24   SO   -1   -1        -1   -1       -1   -1  413.TIF  TO ISLE ROYAL                   
      8   1957  3 25   30   -1   SO   -1   -1        -1   -1       -1   -1  413.TIF  IN SLIPS                        
      8   1957  4  1   -1   -1   BK   -1   -1        -1   -1       -1   -1  414.TIF  (CUT)                           
      8   1957  4 15   -1   -1   BK   -1   -1        -1   -1       -1   -1  415.TIF  AND SLIPS                       
      8   1957  4 15   -1   -1   OW   -1   -1        -1   -1       -1   -1  415.TIF  ENTRANCE: TO OPEN WATER (CUT)   
     10   1957  3  4   18   24   SC    8   -1        -1   -1       -1   -1  409.TIF                                  
     10   1957  3 25   18   24   SO   -1   -1        -1   -1       -1   -1  413.TIF  TO ISLE ROYALE                  
     10   1957  3 25   30   -1   SO   -1   -1        -1   -1       -1   -1  413.TIF  IN SLIPS                        
     10   1957  4  1   -1   -1   BK   -1   -1        -1   -1       -1   -1  414.TIF  (CUT)                           
     11   1957  2 25   18   24   SC    8   -1        -1   -1       -1   -1  407.TIF                                  
     11   1957  3  4   22   -1   SC    5   -1        -1   -1       -1   -1  409.TIF                                  
     15   1957  4  1   -1   -1   OW   -1   -1        -1   -1       -1   -1  414.TIF  TO ISLE ROYALE                  
     16   1957  3 11   -1   -1   SW   -1   -1        -1   -1       -1   -1  411.TIF                                  
     17   1957  2 25   -1   -1   SO   -1   -1        -1   -1       -1   -1  407.TIF  FROM 3Mi EAST TO THUNDER CAPE   
     17   1957  4  1   -1   -1   OW   -1   -1        -1   -1       -1   -1  414.TIF  BEYOND ISLAND                   
     22   1957  2 25   -1   -1   SO   -1   -1        -1   -1       -1   -1  407.TIF  TO 20Mi OUT FROM N & E SHORES   
     22   1957  2 25   -1   -1   IP   -1   -1   BK   -1   -1       -1   -1  407.TIF  ALONG THE SOUTH SHORE           
     22   1957  2 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  407.TIF  MIDDLE OF LAKE                  
     22   1957  4 15   -1   -1   OW   -1   -1        -1   -1       -1   -1  415.TIF  MAIN BODY                       
     23   1957  2 25   15   -1   SO   -1   -1        -1   -1       -1   -1  407.TIF                                  
     23   1957  3  4   15   -1        -1   -1        -1   -1       -1   -1  409.TIF                                  
     23   1957  3 11   17   -1        -1   -1        -1   -1       -1   -1  411.TIF                                  
     23   1957  3 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  413.TIF                                  
     23   1957  4  1   20   -1   DI   -1   -1        -1   -1       -1   -1  414.TIF                                  
     24   1957  2 25   -1   -1   FD   -1   -1   BV   -1   -1       -1   -1  407.TIF  LAKE                            
     24   1957  3  4   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  409.TIF  LAKE                            
     24   1957  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  411.TIF  LAKE                            
     24   1957  3 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  413.TIF  LAKE                            
     24   1957  4  1   20   -1   DI   -1   -1        -1   -1       -1   -1  414.TIF  LAKE                            
     25   1957  2 25    8   -1        -1   -1        -1   -1       -1   -1  407.TIF  TO 1/2Mi OUT                    
     25   1957  2 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  407.TIF  BEYOND 1/2Mi OUT                
     25   1957  3  4   10   -1        -1   -1        -1   -1       -1   -1  409.TIF  HARBOR                          
     25   1957  3  4   -1   -1   SO   -1   -1        -1   -1       -1   -1  409.TIF  TO 1/2Mi OUT                    
     25   1957  3  4   -1   -1   SW   -1   -1        -1   -1       -1   -1  409.TIF  BEYOND 1/2Mi OUT                
     25   1957  3 11    6   10   IP   -1   -1   BV   -1   -1       -1   -1  411.TIF  HARBOR                          
     25   1957  3 25   12   14   IP   -1   -1   BV   -1   -1   SW  -1   -1  413.TIF  HARBOR                          
     25   1957  4  1   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  414.TIF  LAKE                            
     25   1957  4  1   14   -1        -1   -1        -1   -1       -1   -1  414.TIF  HARBOR                          
     25   1957  4 15   -1   -1   FD   -1   -1   BK   -1   -1       -1   -1  415.TIF  ALONG SHORE                     
     29   1957  2 25   26   -1        -1   -1        -1   -1       -1   -1  407.TIF  PORTAGE CANAL                   
     29   1957  2 25   -1   -1   SO   -1   -1        -1   -1       -1   -1  407.TIF  TO 4Mi OUT FROM UPPER ENTRY     
     29   1957  2 25    6   24        -1   -1        -1   -1       -1   -1  407.TIF  LOWER ENTRANCE HARBOR           
     29   1957  2 25    6   24        -1   -1        -1   -1       -1   -1  407.TIF  LOWER ENTRANCE TO PORTAGE LAKE  
     29   1957  3  4   24   28        -1   -1        -1   -1       -1   -1  409.TIF  PORTAGE CANAL                   
     29   1957  3  4   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  409.TIF  UPPER ENTRANCE                  
     29   1957  3  4    8   10   IP   -1   -1   BV   -1   -1       -1   -1  409.TIF  LOWER ENTRANCE: INTO BAY        
     29   1957  3  4    8   26   SC   18   -1        -1   -1       -1   -1  409.TIF  PORTAGE LAKE                    
     29   1957  3 11   29   -1   FD   -1   -1   CL   -1   -1   SC  -1   -1  411.TIF  UPPER ENTRY                     
     29   1957  3 25   28   -1   CL   -1   -1   RT   -1   -1       -1   -1  413.TIF  UPPER ENTRANCE                  
     29   1957  3 25   -1   -1   FD   -1   -1   BV   -1   -1       -1   -1  413.TIF  LAKE                            
     29   1957  4  1    6   28   HF   -1   -1   WI   -1   -1       -1   -1  414.TIF  LAKE: OFF UPPER ENTRANCE        
     29   1957  4  1   12   26        -1   -1        -1   -1       -1   -1  414.TIF  LOWER ENTRANCE                  
     29   1957  4  1   16   -1   SW   -1   -1        -1   -1       -1   -1  414.TIF  PORTAGE CANAL                   
     29   1957  4  1   19   28   SO   -1   -1   SC   -1   -1       -1   -1  414.TIF  PORTAGE LAKE                    
     29   1957  4 15   -1   -1   FD   -1   -1        -1   -1       -1   -1  415.TIF  (50% ICE COVER)                 
     29   1957  4 15   -1   -1   IJ   -1   -1        -1   -1       -1   -1  415.TIF  UPPER ENTRY                     
     29   1957  4 15   -1   -1   CL   -1   -1   SW   -1   -1       -1   -1  415.TIF  LOWER ENTRY                     
     33   1957  2 25   -1   -1   IP   -1   -1   SW   -1   -1       -1   -1  407.TIF  LAKE                            
     33   1957  2 25    7    8        -1   -1        -1   -1       -1   -1  407.TIF  HARBOR                          
     33   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  409.TIF  LAKE                            
     33   1957  3  4    8    9        -1   -1        -1   -1       -1   -1  409.TIF  HARBOR                          
     33   1957  3 11   -1   -1   FD   -1   -1        -1   -1       -1   -1  411.TIF  LAKE                            
     33   1957  3 11    8    9        -1   -1        -1   -1       -1   -1  411.TIF  HARBOR                          
     33   1957  3 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  413.TIF  LAKE                            
     33   1957  3 25   -1   -1   IP   -1   -1        -1   -1       -1   -1  413.TIF  AT END OF DOCK                  
     35   1957  4 15   -1   -1   FD   -1   -1   SO   -1   -1       -1   -1  415.TIF                                  
     37   1957  2 25   12   -1   IP   -1   -1   BV   -1   -1   WI  -1   -1  407.TIF                                  
     37   1957  3  4   12   -1        -1   -1        -1   -1       -1   -1  409.TIF                                  
     37   1957  3 11   13   -1        -1   -1        -1   -1       -1   -1  411.TIF                                  
     37   1957  3 25   12   -1   WI   -1   -1   BV   -1   -1       -1   -1  413.TIF                                  
     37   1957  4  1   12   -1   IP   -1   -1   BV   -1   -1       -1   -1  414.TIF                                  
     38   1957  3  4   -1   -1   IP   -1   -1   WI   -1   -1   BV  -1   -1  409.TIF  LAKE                            
     38   1957  3 11   -1   -1   IP   -1   -1   WI   -1   -1   BV  -1   -1  411.TIF  LAKE                            
     38   1957  4  1   -1   -1   WI   -1   -1        -1   -1       -1   -1  414.TIF  LAKE                            
     40   1957  2 25    4    8        -1   -1        -1   -1       -1   -1  407.TIF                                  
     40   1957  4  1   -1   -1   DI   -1   -1        -1   -1       -1   -1  414.TIF                                  
     51   1957  2 25   17   23   CL   -1   -1        -1   -1       -1   -1  407.TIF  TO 3Mi OUT                      
     51   1957  2 25   23   -1        -1   -1        -1   -1       -1   -1  407.TIF  BASIN                           
     51   1957  2 25   17   -1   SC    7   -1        -1   -1       -1   -1  407.TIF  CHANNEL                         
     51   1957  3  4   18   -1   CL   -1   -1   SC    3   -1       -1   -1  409.TIF  FRONT CHANNEL                   
     51   1957  3 11   24   -1   SO   -1   -1        -1   -1       -1   -1  411.TIF  FRONT CHANNEL                   
     51   1957  3 25   18   -1   RT   -1   -1        -1   -1       -1   -1  413.TIF  FRONT CHANNEL                   
     51   1957  4  1   16   -1   SI   -1   -1   RT   -1   -1       -1   -1  414.TIF  FRONT CHANNEL                   
     51   1957  4 15   -1   -1   OW   -1   -1        -1   -1       -1   -1  415.TIF  FRONT CHANNEL                   
     51   1957  4 15   -1   -1   OW   -1   -1        -1   -1       -1   -1  415.TIF  LAKE                            
     52   1957  3  4   23   -1        -1   -1        -1   -1       -1   -1  409.TIF  HARBOR BASIN                    
     52   1957  3 11   24   -1   RT   -1   -1        -1   -1       -1   -1  411.TIF                                  
     52   1957  3 11   -1   -1   SO   -1   -1        -1   -1       -1   -1  411.TIF  BASIN                           
     52   1957  3 25   19   -1   BK   -1   -1        -1   -1       -1   -1  413.TIF  BASIN ICE (CUT)                 
     52   1957  4  1   -1   -1   BI   -1   -1        -1   -1       -1   -1  414.TIF                                  
     52   1957  4 15   18   -1   RT   -1   -1        -1   -1       -1   -1  415.TIF                                  
     53   1957  2 25   17   23   CL   -1   -1        -1   -1       -1   -1  407.TIF  TO 3Mi OUT                      
     53   1957  2 25   23   -1        -1   -1        -1   -1       -1   -1  407.TIF  BASIN                           
     53   1957  2 25   17   -1   SC    7   -1        -1   -1       -1   -1  407.TIF  CHANNEL                         
     53   1957  4 15   -1   -1   OW   -1   -1        -1   -1       -1   -1  415.TIF  LAKE                            
     54   1957  3  4   23   -1        -1   -1        -1   -1       -1   -1  409.TIF  HARBOR BASIN                    
     54   1957  3 11   24   -1   RT   -1   -1        -1   -1       -1   -1  411.TIF                                  
     54   1957  3 11   -1   -1   SO   -1   -1        -1   -1       -1   -1  411.TIF  BASIN                           
     54   1957  4  1   -1   -1   BI   -1   -1        -1   -1       -1   -1  414.TIF                                  
     54   1957  4 15   18   -1   RT   -1   -1        -1   -1       -1   -1  415.TIF                                  
     56   1957  2 25   19   -1        -1   -1        -1   -1       -1   -1  407.TIF                                  
     56   1957  3  4   19   -1        -1   -1        -1   -1       -1   -1  409.TIF                                  
     56   1957  3 11   19   -1   RT   -1   -1        -1   -1       -1   -1  411.TIF  TO 1/2Mi OUT                    
     56   1957  3 25   16   -1   BK   -1   -1        -1   -1       -1   -1  413.TIF                                  
     56   1957  3 25   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  413.TIF  LAKE                            
     56   1957  4  1   10   -1   SI   -1   -1   RT   -1   -1       -1   -1  414.TIF                                  
     56   1957  4 15   -1   -1   OW   -1   -1        -1   -1       -1   -1  415.TIF                                  
     57   1957  4  1   22   28   SO   -1   -1        -1   -1       -1   -1  414.TIF                                  
     58   1957  3  4   -1   -1   IJ   -1   -1        -1   -1       -1   -1  409.TIF  TO 15Mi OUT                     
     58   1957  3 11   -1   -1   IJ   -1   -1        -1   -1       -1   -1  411.TIF  TO 15Mi OUT                     
     58   1957  3 25   18   26   SO   -1   -1   IJ   -1   -1   BV  -1   -1  413.TIF                                  
     58   1957  4  1   -1   -1   IJ   -1   -1   BV   -1   -1       -1   -1  414.TIF  LAKE                            
     58   1957  4 15   20   36   CL   -1   -1   IN   -1   -1       -1   -1  415.TIF  5Mi WEST TO COPPERMINE POINT    
     61   1957  3  4   -1   -1   BK   -1   -1        -1   -1       -1   -1  409.TIF  TO 1/2Mi OUT                    
     61   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  409.TIF  BEYOND 1/2Mi OUT                
     61   1957  4  1   -1   -1   DI   -1   -1   BV   -1   -1       -1   -1  414.TIF  LAKE                            
     62   1957  3  4   26   -1        -1   -1        -1   -1       -1   -1  409.TIF  BETWEEN DOCKS                   
     62   1957  3 11   12   -1        -1   -1        -1   -1       -1   -1  411.TIF  DOCKS                           
     62   1957  3 11   26   -1        -1   -1        -1   -1       -1   -1  411.TIF  IN SLIPS                        
     62   1957  3 25   10   -1   RT   -1   -1   WT    4    6       -1   -1  413.TIF  DOCKS                           
     62   1957  3 25   24   -1   RT   -1   -1        -1   -1       -1   -1  413.TIF  IN SLIPS                        
     62   1957  4  1   -1   -1   RT   -1   -1        -1   -1       -1   -1  414.TIF  DOCKS                           
     66   1957  3 25   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  413.TIF  LAKE                            
     67   1957  3 25    6   -1        -1   -1        -1   -1       -1   -1  413.TIF  REFUGE HARBOR                   
     71   1957  2 25   -1   -1   SO   -1   -1   WI   -1   -1       -1   -1  407.TIF                                  
     71   1957  3  4   16   24   SO   -1   -1        -1   -1       -1   -1  409.TIF                                  
     71   1957  3 11   16   24   SO   -1   -1   WI   -1   -1       -1   -1  411.TIF                                  
     71   1957  3 11   -1   -1   SO   -1   -1        -1   -1       -1   -1  411.TIF  TO 45Mi INTO LAKE               
     71   1957  3 25   18   26   CL   -1   -1   SO   -1   -1   SC  -1   -1  413.TIF  4              TO POINT IROQUOIS
     71   1957  4  1   22   28   SO   -1   -1        -1   -1       -1   -1  414.TIF                                  
     71   1957  4 15   -1   -1   IP   -1   -1   IN   -1   -1       -1   -1  415.TIF                                  
     75   1957  2 25   25   -1   SO   -1   -1        -1   -1       -1   -1  407.TIF                                  
     75   1957  3  4   25   -1   SO   -1   -1        -1   -1       -1   -1  409.TIF                                  
     75   1957  3 11   25   -1   WT   -1   -1        -1   -1       -1   -1  411.TIF  IN SLIPS                        
     75   1957  3 25   25   -1   SO   -1   -1   SL   -1   -1       -1   -1  413.TIF                                  
     75   1957  4  1   25   -1   SL   -1   -1        -1   -1       -1   -1  414.TIF                                  
     76   1957  2 25   18   -1   CL   -1   -1        -1   -1       -1   -1  407.TIF                                  
     76   1957  3 11   12   24   SO   -1   -1        -1   -1       -1   -1  411.TIF                                  
     76   1957  3 25   -1   -1   NI    2    4   SO   16   20   SC  -1   -1  413.TIF  (70% NEW ICE; 30% OLD, SOLID)   
     76   1957  4  1   -1   -1   OW   -1   -1        -1   -1       -1   -1  414.TIF                                  
     76   1957  4 15   -1   -1   OW   -1   -1        -1   -1       -1   -1  415.TIF                                  
     77   1957  2 25   -1   -1   IP   -1   -1   BV   -1   -1   WI  -1   -1  407.TIF  BAY                             
     77   1957  3  4   12   14   CL   -1   -1        -1   -1       -1   -1  409.TIF                                  
     77   1957  3  4   -1   -1   IP   -1   -1   WI   -1   -1   BV  -1   -1  409.TIF  BAY                             
     77   1957  3 11   -1   -1   FD   -1   -1   WI   -1   -1   BV  -1   -1  411.TIF                                  
     77   1957  3 25   -1   -1   FD   -1   -1   WI   -1   -1   SW  -1   -1  413.TIF  LAKE                            
     77   1957  4  1   -1   -1   DI   -1   -1        -1   -1       -1   -1  414.TIF  BAY                             
     77   1957  4 15   -1   -1   DI   -1   -1   PN   -1   -1       -1   -1  415.TIF  BAY                             
     81   1957  3  4   20   24   CL   -1   -1   SC   12   14       -1   -1  409.TIF  TO DISPATCH                     
     81   1957  3 11   22   -1        -1   -1        -1   -1       -1   -1  411.TIF  TO ROUND ISLAND                 
     81   1957  3 25   22   -1   SW   -1   -1        -1   -1       -1   -1  413.TIF  TO LOCKS                        
     81   1957  4  1   -1   -1   SO   -1   -1        -1   -1       -1   -1  414.TIF  TO MISSION POINT                
     83   1957  4  1   24   -1   CL   -1   -1   WI   -1   -1       -1   -1  414.TIF  WEST CHANNEL                    
     84   1957  3 11   18   20   SC    4   -1        -1   -1       -1   -1  411.TIF                                  
     84   1957  3 25   16   20   SO   -1   -1   CL   -1   -1   WI  -1   -1  413.TIF                                  
     84   1957  4  1   16   20   IP   -1   -1   BV   -1   -1       -1   -1  414.TIF                                  
     85   1957  4  1    5   10        -1   -1        -1   -1       -1   -1  414.TIF                                  
     86   1957  3  4   12   22   NI   -1   -1        -1   -1       -1   -1  409.TIF                                  
     86   1957  3 11    8   18   BK   -1   -1   CL   -1   -1       -1   -1  411.TIF                                  
     86   1957  3 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  413.TIF  TO FRECHETTE POINT              
     89   1957  3  4   22   24        -1   -1        -1   -1       -1   -1  409.TIF  CANADIAN CANAL                  
     92   1957  3 25   18   -1   FD   -1   -1   CL   -1   -1   SL  -1   -1  413.TIF  FRECHETTE POINT TO ROCK CUT     
     94   1957  4  1   -1   -1   LI   -1   -1        -1   -1       -1   -1  414.TIF  DOWN TO NEEBISH ISLAND          
     97   1957  3 11   -1   -1   SW   -1   -1        -1   -1       -1   -1  411.TIF                                  
     99   1957  3  4   20   22   SO   -1   -1   CL   -1   -1       -1   -1  409.TIF  TO ROCK CUT                     
    102   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  409.TIF                                  
    102   1957  3  4   18   22   CL   -1   -1   SC    8   16       -1   -1  409.TIF  TO DETOUR                       
    102   1957  3 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  413.TIF                                  
    102   1957  3 25   22   -1   SO   -1   -1        -1   -1       -1   -1  413.TIF  TO DETOUR                       
    103   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  409.TIF                                  
    103   1957  3  4   -1   -1   SO   -1   -1   SW   -1   -1       -1   -1  409.TIF  TO NINE MILE POINT              
    103   1957  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  411.TIF                                  
    105   1957  2 25   -1   -1   SO   -1   -1        -1   -1       -1   -1  407.TIF                                  
    105   1957  3  4   15   -1   CL   -1   -1   SL    3   -1   SC   1   -1  409.TIF  DISPATCH TO LOCKS               
    105   1957  3 11   18   -1   CL   -1   -1   SC    3   -1       -1   -1  411.TIF  DISPATCH STATION TO LOCKS       
    105   1957  3 11   18   22   CL   -1   -1        -1   -1       -1   -1  411.TIF  BUOY 90 TO WINTER POINT         
    105   1957  3 11   20   -1   CL   -1   -1        -1   -1       -1   -1  411.TIF  WINTER POINT TO DETOUR          
    105   1957  4  1   -1   -1   RT   -1   -1        -1   -1       -1   -1  414.TIF  MISSION POINT                   
    105   1957  4  1   -1   -1   OW   -1   -1        -1   -1       -1   -1  414.TIF  BUOY 32: TO LOCKS               
    105   1957  4  1   -1   -1   OW   -1   -1        -1   -1       -1   -1  414.TIF  LOCKS: TO BEYOND SIX MILE PT.   
    107   1957  4  1   10   -1   HF   -1   -1        -1   -1       -1   -1  414.TIF                                  
    109   1957  4  1   20   -1        -1   -1        -1   -1       -1   -1  414.TIF                                  
    114   1957  3  4   24   -1   CL   -1   -1        -1   -1       -1   -1  409.TIF  COAL DOCK                       
    114   1957  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  411.TIF  DETOUR-DRUMMOND FERRY LANE      
    114   1957  3 11   24   -1        -1   -1        -1   -1       -1   -1  411.TIF  DETOUR DOCK                     
    114   1957  3 11   26   30        -1   -1        -1   -1       -1   -1  411.TIF  NORTH OF DETOUR DOCK            
    114   1957  4  1   -1   -1   LI   -1   -1        -1   -1       -1   -1  414.TIF  COAL DOCKS                      
    118   1957  2 25   22   -1   SC    6   -1        -1   -1       -1   -1  407.TIF                                  
    118   1957  4  1   -1   -1   BK   -1   -1        -1   -1       -1   -1  414.TIF                                  
    119   1957  3 11   18   -1        -1   -1        -1   -1       -1   -1  411.TIF  TO THE E & W                    
    119   1957  4  1   16   18        -1   -1        -1   -1       -1   -1  414.TIF  TO THE E & W                    
    120   1957  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  411.TIF                                  
    120   1957  4  1   -1   -1   OW   -1   -1        -1   -1       -1   -1  414.TIF                                  
    121   1957  3  4   14   -1        -1   -1        -1   -1       -1   -1  409.TIF  3Mi S OF EAST ENTRANCE LIGHT    
    121   1957  3 11   20   -1        -1   -1        -1   -1       -1   -1  411.TIF  TO 2Mi OUT FROM EAST LIGHT      
    123   1957  3  4   20   -1   SC    5   -1        -1   -1       -1   -1  409.TIF                                  
    123   1957  3 11   20   23   SL    3   -1        -1   -1       -1   -1  411.TIF                                  
    123   1957  3 25   24   -1   SL   -1   -1        -1   -1       -1   -1  413.TIF                                  
    127   1957  2 25   18   -1   FD   -1   -1   SO   -1   -1       -1   -1  407.TIF  TO MACKINAC CITY                
    127   1957  2 25   -1   -1   LF   -1   -1        -1   -1       -1   -1  407.TIF  EAST OF ISLAND                  
    127   1957  2 25   -1   -1   PN   -1   -1        -1   -1       -1   -1  407.TIF  NORTH OF ISLAND                 
    127   1957  3  4    8   -1        -1   -1        -1   -1       -1   -1  409.TIF                                  
    127   1957  3  4   -1   -1   PN   -1   -1   SW   -1   -1       -1   -1  409.TIF  EAST OF ISLAND                  
    127   1957  3  4   20   -1   FD   -1   -1   SO   -1   -1       -1   -1  409.TIF  TO MACKINAW CITY                
    127   1957  3 25   -1   -1   LF   -1   -1        -1   -1       -1   -1  413.TIF  TO ST. IGNACE                   
    127   1957  4  1   -1   -1   OW   -1   -1        -1   -1       -1   -1  414.TIF  TO 2Mi WEST OF ST. HELENA       
    128   1957  2 25    6   -1        -1   -1        -1   -1       -1   -1  407.TIF                                  
    129   1957  3 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  413.TIF  PASSAGE                         
    130   1957  3 11   -1   -1   FD   -1   -1   SW   -1   -1       -1   -1  411.TIF  TO MACKINAW (70% ICE COVER)     
    132   1957  2 25   -1   -1   FD   -1   -1   BV   -1   -1       -1   -1  407.TIF  LAKE                            
    132   1957  3  4   24   -1   IP   -1   -1   BV   -1   -1       -1   -1  409.TIF                                  
    134   1957  2 25   24   -1        -1   -1        -1   -1       -1   -1  407.TIF  MAGNETAWAN RIVER                
    134   1957  3 25   -1   -1   BK   -1   -1        -1   -1       -1   -1  413.TIF  CHANNEL                         
    135   1957  2 25   18   -1   SO   -1   -1   BV   -1   -1       -1   -1  407.TIF                                  
    135   1957  3 25   -1   -1   BK   -1   -1        -1   -1       -1   -1  413.TIF                                  
    136   1957  2 25   -1   -1   SO   -1   -1        -1   -1       -1   -1  407.TIF  N OF REEF TO 1/2Mi OF BRIDGE    
    136   1957  2 25   -1   -1   SO   -1   -1   WI   -1   -1       -1   -1  407.TIF  WEST OF BRIDGE                  
    136   1957  3  4   -1   -1   SO   -1   -1        -1   -1       -1   -1  409.TIF  WESTWARD: TO MACKINAC BRIDGE    
    139   1957  2 25   -1   -1   HF   -1   -1        -1   -1       -1   -1  407.TIF  ALL E & S SIDE HARBORS          
    139   1957  4 15   -1   -1   IP   -1   -1   SW   -1   -1       -1   -1  415.TIF  NORTH CHANNEL (80% ICE COVER )  
    142   1957  4  1   -1   -1   RT   -1   -1        -1   -1       -1   -1  414.TIF                                  
    142   1957  4 15   -1   -1   LF   -1   -1   IN   -1   -1       -1   -1  415.TIF                                  
    144   1957  3  4   -1   -1   WI   72  144        -1   -1       -1   -1  409.TIF  (100% ICE COVER)                
    146   1957  3  4   -1   -1   SO   -1   -1        -1   -1       -1   -1  409.TIF  HARBOR                          
    147   1957  3  4   -1   -1   DI   -1   -1   BV   -1   -1       -1   -1  409.TIF                                  
    147   1957  3 11   -1   -1   DI   -1   -1   BV   -1   -1       -1   -1  411.TIF  OUTSIDE OF HARBOR               
    148   1957  2 25   14   16        -1   -1        -1   -1       -1   -1  407.TIF  INNER HARBOR                    
    148   1957  2 25   -1   -1   FD   -1   -1   DI   -1   -1   SW  -1   -1  407.TIF  OUTSIDE OF HARBOR               
    148   1957  3  4   14   16        -1   -1        -1   -1       -1   -1  409.TIF  INNER HARBOR                    
    148   1957  3 11   18   -1        -1   -1        -1   -1       -1   -1  411.TIF  INNER HARBOR                    
    148   1957  3 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  413.TIF  TO INNER HARBOR & FERRY DOCK    
    148   1957  4  1   -1   -1   FD   -1   -1   DI   -1   -1       -1   -1  414.TIF                                  
    151   1957  3  4   -1   -1   DI   -1   -1        -1   -1       -1   -1  409.TIF  ALPENA                          
    152   1957  3  4   -1   -1   FD   -1   -1   DI   -1   -1       -1   -1  409.TIF  LAKE                            
    153   1957  2 25   20   -1        -1   -1        -1   -1       -1   -1  407.TIF  THUNDER BAY QUARRY DOCK         
    153   1957  3  4   12   -1        -1   -1        -1   -1       -1   -1  409.TIF  IN SLIPS                        
    153   1957  3 11   -1   -1   DI   -1   -1   PN   -1   -1   IJ  -1   -1  411.TIF                                  
    154   1957  2 25   10   -1   CL   -1   -1        -1   -1       -1   -1  407.TIF  INNER PORTION OF BAY            
    154   1957  3  4   -1   -1   LF   -1   -1   NI   -1   -1       -1   -1  409.TIF                                  
    160   1957  4  1   -1   -1   SO   -1   -1        -1   -1       -1   -1  414.TIF  TO 10 TO 15Mi TO THE NW         
    160   1957  4  1   -1   -1   SO   -1   -1        -1   -1       -1   -1  414.TIF  TO 5Mi TO THE SE                
    162   1957  3 25   -1   -1   SW   -1   -1        -1   -1       -1   -1  413.TIF                                  
    163   1957  3 25   -1   -1   SW   -1   -1        -1   -1       -1   -1  413.TIF                                  
    164   1957  3  4   14   -1        -1   -1        -1   -1       -1   -1  409.TIF  TO 1/2Mi OUT                    
    164   1957  3 25   12   -1        -1   -1        -1   -1       -1   -1  413.TIF  TO 1/2Mi OUT                    
    165   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  409.TIF  BAY: BEYOND 1/2Mi OUT           
    165   1957  3 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  413.TIF  BEYOND 1/2Mi OUT                
    166   1957  4  1   -1   -1   BK   -1   -1   RT   -1   -1       -1   -1  414.TIF  TO GIANTS TOMB                  
    167   1957  2 25   19   -1   SO   -1   -1   BV   -1   -1       -1   -1  407.TIF                                  
    167   1957  3 11   16   17   SO   -1   -1        -1   -1       -1   -1  411.TIF                                  
    167   1957  3 25   14   15   SO   -1   -1   SW   -1   -1       -1   -1  413.TIF                                  
    167   1957  4  1    8    9   BK   -1   -1   RT   -1   -1       -1   -1  414.TIF                                  
    168   1957  3  4   25   -1   IP   -1   -1   BV   -1   -1       -1   -1  409.TIF  OFF MIDLAND POINT               
    168   1957  3 11   20   -1        -1   -1        -1   -1       -1   -1  411.TIF  MIDLAND POINT TO CHRISTIAN ISL  
    168   1957  3 25   -1   -1   BK   -1   -1        -1   -1       -1   -1  413.TIF  CHANNELS (CUT)                  
    168   1957  4  1   -1   -1   SO   -1   -1        -1   -1       -1   -1  414.TIF  TO HOPE ISLAND                  
    169   1957  4  1   -1   -1   BK   -1   -1        -1   -1       -1   -1  414.TIF  INNER HARBOR (CUT)              
    170   1957  3 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  413.TIF                                  
    171   1957  3  4    3    4   SI   -1   -1        -1   -1       -1   -1  409.TIF                                  
    171   1957  3 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  413.TIF                                  
    171   1957  4  1   -1   -1   LI   -1   -1        -1   -1       -1   -1  414.TIF                                  
    172   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  409.TIF  BAY                             
    172   1957  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  411.TIF  BEYOND 1/2Mi BEYOND HARBOR      
    175   1957  3 25   -1   -1   HF   -1   -1   DI   -1   -1       -1   -1  413.TIF                                  
    177   1957  3 25   15   18   DI   -1   -1        -1   -1       -1   -1  413.TIF                                  
    177   1957  4  1   -1   -1   LI   -1   -1        -1   -1       -1   -1  414.TIF                                  
    178   1957  3 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  413.TIF  BEYOND HARBOR                   
    179   1957  3  4   -1   -1   NI   -1   -1        -1   -1       -1   -1  409.TIF                                  
    179   1957  3  4   -1   -1   FD   -1   -1   WI   -1   -1       -1   -1  409.TIF  STONE PORT HARBOR               
    179   1957  3 25   -1   -1   LI   -1   -1        -1   -1       -1   -1  413.TIF  LAKE                            
    179   1957  4  1   -1   -1   LI   -1   -1        -1   -1       -1   -1  414.TIF                                  
    181   1957  2 25   -1   -1   HF   -1   -1        -1   -1       -1   -1  407.TIF  4Mi OUT                         
    181   1957  3  4   -1   -1   HF   -1   -1   WI   -1   -1       -1   -1  409.TIF  3Mi OFFSHORE                    
    181   1957  3 11   -1   -1   OW   -1   -1   BV   -1   -1       -1   -1  411.TIF  LAKE                            
    184   1957  3 25   12   -1   RT   -1   -1   BK   -1   -1       -1   -1  413.TIF  TO STATE DOCK                   
    185   1957  2 25   24   -1        -1   -1        -1   -1       -1   -1  407.TIF                                  
    185   1957  3  4   20   24        -1   -1        -1   -1       -1   -1  409.TIF                                  
    185   1957  3 11   18   24        -1   -1        -1   -1       -1   -1  411.TIF                                  
    188   1957  2 25   -1   -1   HF   -1   -1   DI   -1   -1   BV  -1   -1  407.TIF                                  
    188   1957  3 11   -1   -1   SO   -1   -1        -1   -1       -1   -1  411.TIF  TO 1Mi OUT                      
    188   1957  3 11   -1   -1   SW   -1   -1        -1   -1       -1   -1  411.TIF  NORTH END                       
    188   1957  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  411.TIF  LAKE: BEYOND 1Mi OUT            
    195   1957  3 11   -1   -1   DI   -1   -1   PI   -1   -1       -1   -1  411.TIF                                  
    196   1957  3 11   -1   -1   DI   -1   -1   PI   -1   -1       -1   -1  411.TIF                                  
    200   1957  2 25   -1   -1   FD   -1   -1   BV   -1   -1       -1   -1  407.TIF  LAKE                            
    200   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  409.TIF  TO 1 & 1/4Mi OUT OUTSIDE OF BW  
    200   1957  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  411.TIF  TO 1 &1/2Mi OUT OUTSIDE BW      
    200   1957  3 25   -1   -1   HF   -1   -1   DI   -1   -1       -1   -1  413.TIF                                  
    201   1957  2 25    8   -1        -1   -1        -1   -1       -1   -1  407.TIF                                  
    201   1957  3  4    8   -1        -1   -1        -1   -1       -1   -1  409.TIF                                  
    201   1957  3 11    8   -1   BK   -1   -1        -1   -1       -1   -1  411.TIF  INNER HARBOR                    
    202   1957  2 25    1   -1        -1   -1        -1   -1       -1   -1  407.TIF  RIVER CHANNEL                   
    203   1957  3  4   17   -1        -1   -1        -1   -1       -1   -1  409.TIF                                  
    204   1957  2 25   18   -1        -1   -1        -1   -1       -1   -1  407.TIF                                  
    204   1957  3  4   -1   -1   IP   -1   -1        -1   -1       -1   -1  409.TIF                                  
    205   1957  3  4   -1   -1   DI   -1   -1   PN   -1   -1   BV  -1   -1  409.TIF                                  
    205   1957  3 11   12   14   SM   -1   -1        -1   -1       -1   -1  411.TIF                                  
    205   1957  3 25   -1   -1   LI   -1   -1   DI   -1   -1       -1   -1  413.TIF                                  
    207   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  409.TIF  RIVER CHANNEL: TO MOUTH         
    207   1957  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  411.TIF  RIVER CHANNEL: TO 3Mi INTO BAY  
    209   1957  3  4   -1   -1   FD   -1   -1   DI   -1   -1   SI  -1   -1  409.TIF                                  
    211   1957  2 25    2   -1   NI   -1   -1        -1   -1       -1   -1  407.TIF                                  
    214   1957  3  4   -1   -1   IJ   -1   -1   NI    1    2   WI   9   14  409.TIF  4                               
    214   1957  3 11   -1   -1   FD   -1   -1   PN   -1   -1   BV  -1   -1  411.TIF  NORTHWARD                       
    214   1957  3 11   -1   -1   WI   -1   -1        -1   -1       -1   -1  411.TIF  OPPOSITE COAST GUARD STATION    
    215   1957  3 11   19   21   SO   -1   -1        -1   -1       -1   -1  411.TIF                                  
    215   1957  3 25   19   21        -1   -1        -1   -1       -1   -1  413.TIF                                  
    215   1957  4  1   -1   -1   OW   -1   -1        -1   -1       -1   -1  414.TIF                                  
    216   1957  3 11   -1   -1   FD   -1   -1        -1   -1       -1   -1  411.TIF  LAKE                            
    216   1957  3 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  413.TIF  LAKE                            
    216   1957  4  1   -1   -1   OW   -1   -1        -1   -1       -1   -1  414.TIF  LAKE                            
    218   1957  2 25   -1   -1   BK   -1   -1   FD   -1   -1   DI  -1   -1  407.TIF  (CUT)                           
    218   1957  3  4   -1   -1   LF   -1   -1        -1   -1       -1   -1  409.TIF                                  
    218   1957  3 11   -1   -1   BK   -1   -1        -1   -1       -1   -1  411.TIF  (CUT)                           
    220   1957  3 25   10   36   FD   -1   -1   WI   -1   -1       -1   -1  413.TIF  TO WHITE SHOAL                  
    221   1957  4 15   -1   -1   OW   -1   -1        -1   -1       -1   -1  415.TIF  HARBOR & LEADS FROM HEAD OF BA  
    222   1957  4  1   12   18   FD   -1   -1   DI   -1   -1   BK  -1   -1  414.TIF  TO LANSING SHOALS               
    223   1957  4 15   -1   -1   OW   -1   -1        -1   -1       -1   -1  415.TIF  AND LEADS FROM HEAD OF BAY      
    225   1957  3 25   10   14   FD   -1   -1   RT   -1   -1       -1   -1  413.TIF  TO ST. HELENA                   
    225   1957  4  1   -1   -1   OW   -1   -1        -1   -1       -1   -1  414.TIF  SOUTHWARD                       
    225   1957  4  1   -1   -1   FD   -1   -1   DI   -1   -1       -1   -1  414.TIF  WESTWARD                        
    226   1957  4  1   -1   -1   BK   -1   -1        -1   -1       -1   -1  414.TIF  ANCHORAGES: S TO PIPE ISLAND    
    228   1957  2 25   18   -1        -1   -1        -1   -1       -1   -1  407.TIF  SMOOTH ICE IN BAYS              
    228   1957  3  4   -1   -1   SO   -1   -1   BV   -1   -1       -1   -1  409.TIF  NORTH & SOUTH ABOUT PASSAGES    
    228   1957  3 11   -1   -1   SO   -1   -1   BV   -1   -1       -1   -1  411.TIF  14 FOOT SHOALS: WESTWARD        
    228   1957  3 11   -1   -1   FD   -1   -1   SO   -1   -1   CL  -1   -1  411.TIF  EAST TO NORTH BOIS BLANC        
    228   1957  3 25   18   -1   SO   -1   -1   CL   -1   -1   RT  -1   -1  413.TIF  MCGULPINS POINT: WESTWARD       
    228   1957  3 25   -1   -1   FD   -1   -1   DI   -1   -1   BK  -1   -1  413.TIF  SOUTH CHANNEL                   
    228   1957  3 25   -1   -1   SO   -1   -1        -1   -1       -1   -1  413.TIF  BOTH PASSAGES                   
    228   1957  4  1   -1   -1   SO   -1   -1        -1   -1       -1   -1  414.TIF  FOR 4Mi IN SOUTH CHANNEL        
    232   1957  3 25   -1   -1   SO   -1   -1        -1   -1       -1   -1  413.TIF  PASSAGE                         
    235   1957  3 25   -1   -1   SO   -1   -1        -1   -1       -1   -1  413.TIF                                  
    236   1957  3  4   22   -1        -1   -1        -1   -1       -1   -1  409.TIF                                  
    236   1957  3 25   -1   -1   SO   -1   -1        -1   -1       -1   -1  413.TIF                                  
    236   1957  4 15   -1   -1   OW   -1   -1        -1   -1       -1   -1  415.TIF  TO 1Mi NORTH OF ORE DOCKS       
    236   1957  4 15   -1   -1   IP   -1   -1   RT   -1   -1       -1   -1  415.TIF  1Mi N OF DOCKS TO HEAD OF BAY   
    238   1957  2 25   20   22        -1   -1        -1   -1       -1   -1  407.TIF  TO 5Mi OUT                      
    238   1957  2 25    8   12        -1   -1        -1   -1       -1   -1  407.TIF  BEYOND 5Mi OUT                  
    238   1957  3  4   22   -1   SO   -1   -1        -1   -1       -1   -1  409.TIF                                  
    238   1957  3 11   22   -1   SO   -1   -1   CL   -1   -1       -1   -1  411.TIF                                  
    238   1957  3 25   22   -1   SO   -1   -1        -1   -1       -1   -1  413.TIF                                  
    238   1957  4  1   16   20   RT   -1   -1   BK   -1   -1       -1   -1  414.TIF  (CUT)                           
    247   1957  3  4   -1   -1   IP   -1   -1        -1   -1       -1   -1  409.TIF                                  
    248   1957  3  4   -1   -1   SW   -1   -1        -1   -1       -1   -1  409.TIF  PASSAGE: TO BOYER BLUFF         
    248   1957  3 11   -1   -1   DI   -1   -1   SW   -1   -1       -1   -1  411.TIF  PASSAGE: TO MINNEAPOLIS SHOAL   
    248   1957  3 25   -1   -1   LI   -1   -1        -1   -1       -1   -1  413.TIF                                  
    251   1957  2 25   -1   -1   SW   -1   -1        -1   -1       -1   -1  407.TIF  PASSAGE: NW TO BOYER BLUFF      
    251   1957  3  4   -1   -1   SW   -1   -1        -1   -1       -1   -1  409.TIF  PASSAGE: TO BOYER BLUFF         
    251   1957  3 11   -1   -1   DI   -1   -1   SW   -1   -1       -1   -1  411.TIF  PASSAGE: TO MINNEAPOLIS SHOAL   
    253   1957  3  4   -1   -1   SW   -1   -1        -1   -1       -1   -1  409.TIF  GREEN BAY: N OF RIVER           
    253   1957  4  1   -1   -1   FD   -1   -1   DI   -1   -1       -1   -1  414.TIF  TO 5Mi NORTH OF MENOMINEE       
    254   1957  3 11   -1   -1   FD   -1   -1   CL   -1   -1       -1   -1  411.TIF                                  
    255   1957  3 11   -1   -1   IP   -1   -1   RT   -1   -1       -1   -1  411.TIF                                  
    256   1957  2 25   -1   -1   SO   -1   -1        -1   -1       -1   -1  407.TIF  WEST OF ISLAND                  
    256   1957  2 25   -1   -1   SW   -1   -1        -1   -1       -1   -1  407.TIF  BOYER BLUFF: TO 5Mi NORTH       
    256   1957  3  4   24   -1        -1   -1        -1   -1       -1   -1  409.TIF  DETROIT HARBOR                  
    256   1957  3  4   18   24   SO   -1   -1   CL   -1   -1   SM  -1   -1  409.TIF  WEST OF ISLAND                  
    256   1957  3  4   -1   -1   HF   -1   -1        -1   -1       -1   -1  409.TIF  EAST OF ISLAND                  
    256   1957  3 11   -1   -1   NI   -1   -1        -1   -1       -1   -1  411.TIF  TO 12 TO 15Mi OUT TO THE EAST   
    258   1957  2 25   24   -1        -1   -1        -1   -1       -1   -1  407.TIF                                  
    258   1957  3 11   -1   -1   IP   -1   -1   RT   -1   -1       -1   -1  411.TIF                                  
    262   1957  2 25   18   -1        -1   -1        -1   -1       -1   -1  407.TIF  ROUND LAKE                      
    262   1957  2 25   -1   -1   FD   -1   -1   SI   -1   -1   WI  -1   -1  407.TIF  TO 5Mi OUT                      
    262   1957  3  4   -1   -1   SI   -1   -1   WI   -1   -1       -1   -1  409.TIF  TO 4Mi OUT                      
    262   1957  3 11   -1   -1   SI   -1   -1   WI   -1   -1       -1   -1  411.TIF  TO 12Mi OUT                     
    262   1957  3 25   -1   -1   FD   -1   -1        -1   -1       -1   -1  413.TIF  LAKE: 5Mi OUT                   
    265   1957  3 25    8   10        -1   -1        -1   -1       -1   -1  413.TIF                                  
    266   1957  3 25   -1   -1   LI   -1   -1        -1   -1       -1   -1  413.TIF                                  
    267   1957  2 25   -1   -1   IP   -1   -1        -1   -1       -1   -1  407.TIF  BAY                             
    267   1957  2 25   -1   -1   DI   -1   -1   WI   -1   -1       -1   -1  407.TIF  LAKE                            
    269   1957  3 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  413.TIF                                  
    270   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  409.TIF                                  
    270   1957  4  1   -1   -1   HF   -1   -1   SI   -1   -1       -1   -1  414.TIF                                  
    270   1957  4  1   -1   -1   HF   -1   -1        -1   -1       -1   -1  414.TIF  TO SOUTH FOX                    
    271   1957  3 25   -1   -1   LI   -1   -1        -1   -1       -1   -1  413.TIF  TO 8Mi SOUTH OF CEDAR RIVER     
    272   1957  2 25   18   24   SO   -1   -1   CL   -1   -1       -1   -1  407.TIF                                  
    272   1957  3 11   20   24   CL   -1   -1        -1   -1       -1   -1  411.TIF                                  
    272   1957  3 25   24   -1   CL   -1   -1        -1   -1       -1   -1  413.TIF  SOUTH TO SHERWOOD POINT         
    273   1957  3  4   -1   -1   SI   -1   -1        -1   -1       -1   -1  409.TIF                                  
    273   1957  3 11   24   48   SI   -1   -1   BV   -1   -1       -1   -1  411.TIF                                  
    273   1957  4  1   -1   -1   OW   -1   -1        -1   -1       -1   -1  414.TIF                                  
    275   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  409.TIF                                  
    275   1957  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  411.TIF  TO CRIB                         
    275   1957  4  1   -1   -1   OW   -1   -1        -1   -1       -1   -1  414.TIF                                  
    277   1957  3 25   24   -1   FD   -1   -1        -1   -1       -1   -1  413.TIF  REEF: TO SHERWOOD POINT         
    282   1957  2 25   18   -1   SO   -1   -1   CL   -1   -1       -1   -1  407.TIF  SOUTH OF BRIDGE                 
    282   1957  2 25   24   -1   SO   -1   -1   CL   -1   -1       -1   -1  407.TIF  NORTH OF BRIDGE                 
    282   1957  2 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  407.TIF  LAKE                            
    282   1957  3 11   -1   -1   BK   -1   -1        -1   -1       -1   -1  411.TIF                                  
    282   1957  3 11   -1   -1   SO   -1   -1   CL   -1   -1       -1   -1  411.TIF  NORTH OF BRIDGE                 
    282   1957  3 11   -1   -1   BK   -1   -1   DI   -1   -1       -1   -1  411.TIF  SOUTH OF BRIDGE                 
    282   1957  3 25    5    6   RT   -1   -1        -1   -1       -1   -1  413.TIF  SOUTH OF BRIDGE                 
    282   1957  3 25   -1   -1   SO   -1   -1        -1   -1       -1   -1  413.TIF  NORTH OF BRIDGE                 
    282   1957  4  1    9   -1   CL   -1   -1   SI   -1   -1   SW  -1   -1  414.TIF                                  
    282   1957  4  1    9   -1   FD   -1   -1   CL   -1   -1   SI  -1   -1  414.TIF                                  
    285   1957  3 11   -1   -1   FD   -1   -1   CL   -1   -1       -1   -1  411.TIF  NORTHPORT: TO 1Mi N OF MOUTH    
    289   1957  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  411.TIF  TO MANISTEE                     
    290   1957  2 25   -1   -1   SI   -1   -1        -1   -1       -1   -1  407.TIF  OUT TO BW                       
    292   1957  3  4   -1   -1   HF   -1   -1        -1   -1       -1   -1  409.TIF  BAY                             
    292   1957  3 25   -1   -1   HF   -1   -1        -1   -1       -1   -1  413.TIF  N TO MENOMINEE (90% ICE COVER)  
    293   1957  2 25   20   32        -1   -1        -1   -1       -1   -1  407.TIF                                  
    293   1957  3  4   20   -1   SO   -1   -1   CL   -1   -1       -1   -1  409.TIF                                  
    293   1957  3  4   32   -1   SO   -1   -1   CL   -1   -1       -1   -1  409.TIF  SHELTERED AREAS                 
    293   1957  3  4   -1   -1   SW   -1   -1        -1   -1       -1   -1  409.TIF  SMALL AREA SOUTH OF BARK RIVER  
    293   1957  3 11   20   32   CL   -1   -1   SM   -1   -1       -1   -1  411.TIF                                  
    293   1957  3 25   -1   -1   LI   -1   -1        -1   -1       -1   -1  413.TIF  EAGLE BLUFF                     
    293   1957  3 25   -1   -1   LI   -1   -1        -1   -1       -1   -1  413.TIF  DEATH DOOR BLUFF                
    293   1957  3 25   15   20   RT   -1   -1        -1   -1       -1   -1  413.TIF  PASSAGES INTO LAKE MICHIGAN     
    293   1957  4  1   19   -1        -1   -1        -1   -1       -1   -1  414.TIF  NORTH END                       
    293   1957  4  1    8   -1   SW   -1   -1        -1   -1       -1   -1  414.TIF  MIDDLE OF BAY (50% ICE COVER)   
    293   1957  4  1   -1   -1   OW   -1   -1        -1   -1       -1   -1  414.TIF  PASSES                          
    293   1957  4  1    8   -1   FD   -1   -1   RT   -1   -1       -1   -1  414.TIF  SOUTH END                       
    293   1957  4  1   -1   -1   OW   -1   -1        -1   -1       -1   -1  414.TIF  PENINSULA PT. TO CEDAR RIVER    
    293   1957  4 15   -1   -1   LF   -1   -1   RT   -1   -1   SW  -1   -1  415.TIF                                  
    294   1957  2 25    6   14        -1   -1        -1   -1       -1   -1  407.TIF                                  
    294   1957  3  4    6   14        -1   -1        -1   -1       -1   -1  409.TIF                                  
    294   1957  3 11    6   14        -1   -1        -1   -1       -1   -1  411.TIF                                  
    297   1957  2 25   -1   -1   SO   -1   -1   CL   -1   -1       -1   -1  407.TIF                                  
    298   1957  2 25   -1   -1   IJ   -1   -1        -1   -1       -1   -1  407.TIF  RIVER                           
    298   1957  2 25   -1   -1   IP   -1   -1        -1   -1       -1   -1  407.TIF  LAKE: TO 1400FT OUT             
    299   1957  2 25    6   -1        -1   -1        -1   -1       -1   -1  407.TIF                                  
    300   1957  2 25    2   -1   SI   -1   -1        -1   -1       -1   -1  407.TIF  INNER HARBOR                    
    300   1957  3 11   -1   -1   LI   -1   -1        -1   -1       -1   -1  411.TIF                                  
    301   1957  2 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  407.TIF  LAKE                            
    301   1957  3 11   -1   -1   LI   -1   -1        -1   -1       -1   -1  411.TIF  LAKE                            
    304   1957  3 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  413.TIF  LAKE                            
    305   1957  2 25   12   -1        -1   -1        -1   -1       -1   -1  407.TIF                                  
    305   1957  3  4   10   -1   SO   -1   -1   CL   -1   -1       -1   -1  409.TIF                                  
    305   1957  3 11   10   -1        -1   -1        -1   -1       -1   -1  411.TIF                                  
    306   1957  2 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  407.TIF  LAKE                            
    306   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  409.TIF  CHANNEL                         
    306   1957  3  4   -1   -1   PN   -1   -1        -1   -1       -1   -1  409.TIF  TO 100FT OUT                    
    306   1957  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  411.TIF  LAKE                            
    307   1957  2 25   -1   -1   DI   -1   -1   PN   -1   -1       -1   -1  407.TIF  HARBOR CHANNEL                  
    307   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  409.TIF                                  
    307   1957  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  411.TIF                                  
    310   1957  3 11   -1   -1   LI   -1   -1        -1   -1       -1   -1  411.TIF  LAKE                            
    311   1957  3 11   -1   -1   LI   -1   -1        -1   -1       -1   -1  411.TIF                                  
    317   1957  2 25    9   10        -1   -1        -1   -1       -1   -1  407.TIF                                  
    319   1957  2 25    7    8   CL   -1   -1        -1   -1       -1   -1  407.TIF                                  
    319   1957  3  4    3    8   FD   -1   -1   DI   -1   -1       -1   -1  409.TIF                                  
    320   1957  3  4    2    4   SI   -1   -1   PN   -1   -1       -1   -1  409.TIF                                  
    321   1957  3  4    2    4   SI   -1   -1   PN   -1   -1       -1   -1  409.TIF  CHANNEL                         
    321   1957  3  4    2    4   SI   -1   -1   PN   -1   -1       -1   -1  409.TIF  TO 1/4Mi OUT                    
    322   1957  2 25   12   48   PN   -1   -1   WI   -1   -1       -1   -1  407.TIF  PIERHEADS: TO 5Mi OUT           
    323   1957  2 25    2   12        -1   -1        -1   -1       -1   -1  407.TIF  ENTRANCE CHANNEL                
    324   1957  2 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  407.TIF  LAKE                            
    324   1957  3 11   -1   -1   LI   -1   -1        -1   -1       -1   -1  411.TIF  LAKE                            
    325   1957  2 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  407.TIF                                  
    325   1957  3 11   -1   -1   LI   -1   -1        -1   -1       -1   -1  411.TIF                                  
    328   1957  2 25   16   -1   DI   -1   -1        -1   -1       -1   -1  407.TIF  CHANNEL (50% ICE COVER)         
    328   1957  2 25   16   -1   FD   -1   -1   DI   -1   -1       -1   -1  407.TIF  LAKE                            
    328   1957  3  4   -1   -1   IJ   -1   -1        -1   -1       -1   -1  409.TIF  ALONG SHORELINE                 
    328   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  409.TIF  CHANNEL                         
    328   1957  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  411.TIF  CHANNEL                         
    328   1957  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  411.TIF  LAKE                            
    329   1957  2 25   10   -1   SO   -1   -1   CL   -1   -1       -1   -1  407.TIF                                  
    329   1957  3  4    1    6   RT   -1   -1        -1   -1       -1   -1  409.TIF                                  
    329   1957  3 11    1    8        -1   -1        -1   -1       -1   -1  411.TIF                                  
    331   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  409.TIF  LAKE                            
    332   1957  2 25    3   -1   SI   -1   -1   PN   -1   -1       -1   -1  407.TIF  TO 1 & 1/2Mi OUT                
    332   1957  2 25   -1   -1   WI   -1   -1        -1   -1       -1   -1  407.TIF  ALONG BW                        
    332   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  409.TIF                                  
    335   1957  2 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  407.TIF  CHANNEL                         
    335   1957  2 25   -1   -1   DI   -1   -1        -1   -1       -1   -1  407.TIF  LAKE                            
    336   1957  2 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  407.TIF                                  
    339   1957  2 25   -1   -1   BK   -1   -1        -1   -1       -1   -1  407.TIF                                  
    339   1957  3  4   -1   -1   DI   -1   -1        -1   -1       -1   -1  409.TIF  INNER HARBOR                    
    339   1957  3 11   -1   -1   LI   -1   -1        -1   -1       -1   -1  411.TIF                                  
    340   1957  2 25   -1   -1   BK   -1   -1        -1   -1       -1   -1  407.TIF  LAKE                            
    340   1957  3 11   -1   -1   LI   -1   -1        -1   -1       -1   -1  411.TIF  LAKE                            
    341   1957  3  4   -1   -1   LF   -1   -1   PN   -1   -1       -1   -1  409.TIF                                  
    341   1957  3 11   -1   -1   LF   -1   -1   PN   -1   -1       -1   -1  411.TIF                                  
    342   1957  3  4   -1   -1   LF   -1   -1   PN   -1   -1       -1   -1  409.TIF  LAKE                            
    342   1957  3  4   -1   -1   IJ   -1   -1        -1   -1       -1   -1  409.TIF  RIVER MOUTH                     
    342   1957  3 11   -1   -1   WI   -1   -1        -1   -1       -1   -1  411.TIF  50YDS OUT                       
    347   1957  2 25   18   -1        -1   -1        -1   -1       -1   -1  407.TIF  FROM 15Mi N & E AND BEYOND      
    348   1957  2 25   -1   -1   LF   -1   -1   DI   -1   -1   PN  -1   -1  407.TIF                                  
    351   1957  2 25   -1   -1   RI   -1   -1        -1   -1       -1   -1  407.TIF                                  
    353   1957  2 25   -1   -1   SO   -1   -1        -1   -1       -1   -1  408.TIF                                  
    353   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  409.TIF  FOOT OF LAKE TO HARSENS ISLAND  
    353   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  409.TIF  SOUTH CHANNEL                   
    353   1957  3  4    4    6   IJ   -1   -1   WI   -1   -1   RT  -1   -1  409.TIF  NORTH CHANNEL                   
    353   1957  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  411.TIF  TO ALGONAC                      
    353   1957  3 11   -1   -1   SI   -1   -1   BK   -1   -1       -1   -1  411.TIF  L. ENTRANCE TO ST. CLAIR FLATS  
    353   1957  3 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  413.TIF                                  
    353   1957  4  1   -1   -1   OW   -1   -1        -1   -1       -1   -1  414.TIF                                  
    356   1957  2 25    8   10   SO   -1   -1        -1   -1       -1   -1  408.TIF  N & S CHANNELS                  
    357   1957  3  4   -1   -1   SO   -1   -1        -1   -1       -1   -1  409.TIF  ABOVE GAULKERS POINT            
    357   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  409.TIF  BELOW GAULKERS POINT            
    357   1957  3  4   12   14        -1   -1        -1   -1       -1   -1  409.TIF  ANCHOR BAY                      
    357   1957  3 11   -1   -1   LI   -1   -1   PN   -1   -1       -1   -1  411.TIF  LOWER END OF LAKE               
    357   1957  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  411.TIF  MOUTH OF CLINTON RIVER          
    357   1957  3 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  413.TIF                                  
    357   1957  4  1   -1   -1   OW   -1   -1        -1   -1       -1   -1  414.TIF                                  
    359   1957  2 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  408.TIF                                  
    359   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  410.TIF  LOWER RIVER                     
    359   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  409.TIF                                  
    359   1957  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  411.TIF                                  
    359   1957  3 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  413.TIF                                  
    359   1957  4  1   -1   -1   OW   -1   -1        -1   -1       -1   -1  414.TIF                                  
    360   1957  2 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  408.TIF  CHANNEL                         
    360   1957  2 25    8   10        -1   -1        -1   -1       -1   -1  408.TIF  ALONG SHORE                     
    360   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  410.TIF                                  
    362   1957  2 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  408.TIF  INNER HARBOR                    
    362   1957  2 25   15   -1   SO   -1   -1   SM   -1   -1       -1   -1  408.TIF  OUTER HARBOR                    
    362   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  410.TIF  INNER HARBOR                    
    362   1957  3  4   15   -1   BK   -1   -1        -1   -1       -1   -1  410.TIF  OUTER HARBOR: TO BW             
    362   1957  3 11   -1   -1   BK   -1   -1        -1   -1       -1   -1  411.TIF  (CUT)                           
    363   1957  2 25   -1   -1   SO   -1   -1   WI   -1   -1   BV  -1   -1  408.TIF  LAKE                            
    363   1957  3  4   -1   -1   LF   -1   -1   SW   -1   -1       -1   -1  410.TIF  BEYOND BW: TO 3Mi OUT           
    367   1957  2 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  408.TIF                                  
    368   1957  2 25   -1   -1   SO   -1   -1   WI   -1   -1   BV  -1   -1  408.TIF  FROM 3/4Mi SW OF NORTH ENTRANC  
    368   1957  3  4   -1   -1   FD   -1   -1        -1   -1       -1   -1  410.TIF  FROM HARBOR ENTRANCE TO 3Mi OU  
    368   1957  3  4   -1   -1   SO   -1   -1   WI   -1   -1   BV  -1   -1  410.TIF  BEYOND 3Mi OUT                  
    368   1957  3 11    9   12   SO   -1   -1   WI   -1   -1   BV  -1   -1  411.TIF  FROM 2Mi SW OF MAIN ENTRANCE    
    369   1957  2 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  408.TIF  OUTER HARBOR                    
    369   1957  2 25   -1   -1   IP   -1   -1   SW   -1   -1       -1   -1  408.TIF  INNER HARBOR (40% ICE COVER)    
    369   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  410.TIF                                  
    369   1957  3 25   -1   -1   BK   -1   -1        -1   -1       -1   -1  413.TIF  (CUT)                           
    372   1957  2 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  408.TIF  BAY                             
    372   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  410.TIF  BAY                             
    375   1957  2 25   12   15   SO   -1   -1        -1   -1       -1   -1  408.TIF  TO 1/2Mi OUT                    
    376   1957  2 25   -1   -1   LF   -1   -1   SW   -1   -1       -1   -1  408.TIF  BEYOND 1/2Mi OUT                
    376   1957  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  411.TIF  LAKE                            
    377   1957  2 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  407.TIF  FOR 5Mi WEST SIDE OF POINT      
    378   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  410.TIF                                  
    379   1957  3  4   -1   -1   FD   -1   -1   SW   -1   -1       -1   -1  410.TIF  LAKE                            
    380   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  410.TIF                                  
    384   1957  2 25   -1   -1   SO   -1   -1        -1   -1       -1   -1  407.TIF  EAST END OF LAKE                
    384   1957  2 25   -1   -1   IP   -1   -1   SW   -1   -1       -1   -1  407.TIF  WEST END OF LAKE (2/3 ICE COVE  
    384   1957  3 11   -1   -1   IP   -1   -1        -1   -1       -1   -1  411.TIF  S SHORE, ISLAND AREA & EAST EN  
    384   1957  4  1   -1   -1   SI   -1   -1        -1   -1       -1   -1  414.TIF                                  
    386   1957  3 11   -1   -1   PN   -1   -1   SI   -1   -1   SW  -1   -1  411.TIF  TO DUNKIRK: TO 10 TO 12Mi OUT   
    391   1957  2 25    8   -1   SO   -1   -1   WI   -1   -1   BV  -1   -1  408.TIF                                  
    394   1957  2 25   -1   -1   WI   -1   -1        -1   -1       -1   -1  408.TIF  TO 4Mi OUT                      
    394   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  410.TIF                                  
    396   1957  3 11   12   -1   IP   -1   -1   WI   -1   -1   BV  -1   -1  411.TIF  HARBOR ENTRANCE AND BEYOND      
    397   1957  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  411.TIF  PASSAGE                         
    398   1957  2 25   -1   -1   BK   -1   -1        -1   -1       -1   -1  408.TIF  TO PELEE POINT                  
    400   1957  3 11   -1   -1   PN   -1   -1   SW   -1   -1       -1   -1  411.TIF  TO ERIE: 6 TO 11Mi OFFSHORE     
    404   1957  2 25   13   -1        -1   -1        -1   -1       -1   -1  408.TIF  W & N                           
    405   1957  2 25   10   18   PR   -1   -1   SW   -1   -1       -1   -1  408.TIF  TO THE WEST                     
    405   1957  2 25   -1   -1   FD   -1   -1   NI   -1   -1       -1   -1  408.TIF  TO THE EAST                     
    405   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  410.TIF  SOUTH PASSAGE                   
    405   1957  3  4   -1   -1   DI   -1   -1   SI   -1   -1       -1   -1  410.TIF  EASTWARD                        
    405   1957  3  4    8   10   SO   -1   -1   RT   -1   -1       -1   -1  410.TIF  WEST OF ISLANDS                 
    405   1957  3 11   -1   -1   SI   -1   -1   NI   -1   -1       -1   -1  411.TIF  TO THE EAST                     
    405   1957  3 11   10   12   FD   -1   -1   SO   -1   -1       -1   -1  411.TIF  TO THE WEST: BETWEEN ISLANDS    
    406   1957  3  4    8   -1        -1   -1        -1   -1       -1   -1  410.TIF                                  
    409   1957  2 25   -1   -1   LI   -1   -1        -1   -1       -1   -1  408.TIF                                  
    410   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  410.TIF  EASTWARD                        
    410   1957  3  4    1    8   FD   -1   -1   BK   -1   -1   SI  -1   -1  410.TIF  WEST & NORTH                    
    410   1957  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  411.TIF  TO THE EAST                     
    410   1957  3 11   -1   -1   FD   -1   -1   DI   -1   -1       -1   -1  411.TIF  TO THE SOUTH                    
    410   1957  3 11   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  411.TIF  TO THE NORTH & WEST             
    411   1957  3  4   -1   -1   WI   -1   -1        -1   -1       -1   -1  410.TIF  SOUTH PASSAGE                   
    412   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  410.TIF  EAST OF LIGHT                   
    413   1957  3  4   -1   -1   DI   -1   -1        -1   -1       -1   -1  410.TIF  LAKE                            
    414   1957  3  4    5   -1   PN   -1   -1   RT   -1   -1       -1   -1  410.TIF                                  
    414   1957  3 11    3    5   RT   -1   -1   WI   -1   -1       -1   -1  411.TIF  OUTER HARBOR                    
    418   1957  3  4   -1   -1   DI   -1   -1        -1   -1       -1   -1  410.TIF                                  
    418   1957  3 11   -1   -1   LI   -1   -1        -1   -1       -1   -1  411.TIF  OUTER BAY                       
    419   1957  2 25    8   -1        -1   -1        -1   -1       -1   -1  408.TIF                                  
    419   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  410.TIF                                  
    419   1957  3 11    3   -1        -1   -1        -1   -1       -1   -1  411.TIF                                  
    420   1957  2 25    3   -1   SW   -1   -1        -1   -1       -1   -1  408.TIF  OUTER HARBOR                    
    420   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  410.TIF                                  
    420   1957  3 11    3   -1   IJ   -1   -1        -1   -1       -1   -1  411.TIF                                  
    421   1957  2 25   -1   -1   IP   -1   -1        -1   -1       -1   -1  408.TIF  TO 1Mi OUT                      
    421   1957  2 25   -1   -1   FD   -1   -1   SW   -1   -1       -1   -1  408.TIF  BEYOND 1Mi OUT                  
    421   1957  3  4   -1   -1   LF   -1   -1   DI   -1   -1       -1   -1  410.TIF  LAKE                            
    421   1957  3 11   -1   -1   IJ   -1   -1   WI   -1   -1   BV  -1   -1  411.TIF  LAKE                            
    424   1957  3  4   -1   -1   DI   -1   -1        -1   -1       -1   -1  410.TIF  LAKE                            
    424   1957  3 11   -1   -1   SO   -1   -1   PI   -1   -1   BV  -1   -1  411.TIF                                  
    425   1957  2 25   -1   -1   SO   -1   -1   WI   -1   -1       -1   -1  408.TIF  TO 1Mi OUT                      
    425   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  410.TIF                                  
    426   1957  2 25   12   -1   SO   -1   -1   BV   -1   -1       -1   -1  408.TIF                                  
    426   1957  3 11   12   -1   SO   -1   -1   RT   -1   -1       -1   -1  412.TIF                                  
    427   1957  3  4   -1   -1   SO   -1   -1   BV   -1   -1       -1   -1  410.TIF  INTO LAKE                       
    427   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  410.TIF  NARROW CHANNEL TO WOLFE ISL.    
    427   1957  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  412.TIF  NARROW CHANNEL TO WOLFE ISL.    
    427   1957  3 25   -1   -1   IP   -1   -1   RT   -1   -1       -1   -1  413.TIF  TO WOLFE ISLAND                 
    428   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  410.TIF                                  
    430   1957  3 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  413.TIF  WESTWARD: FOR 8Mi               
    434   1957  3 11   -1   -1   SO   -1   -1        -1   -1       -1   -1  412.TIF                                  
    434   1957  3 25   -1   -1   SW   -1   -1        -1   -1       -1   -1  413.TIF                                  
    439   1957  3  4   -1   -1   SO   -1   -1   SW   -1   -1       -1   -1  410.TIF                                  
    439   1957  3 11   -1   -1   SO   -1   -1   SW   -1   -1       -1   -1  412.TIF                                  
    439   1957  4  1   -1   -1   SW   -1   -1   RT   -1   -1       -1   -1  414.TIF                                  
    440   1957  3  4   -1   -1   SO   -1   -1        -1   -1       -1   -1  410.TIF                                  
    440   1957  3 11   -1   -1   SO   -1   -1        -1   -1       -1   -1  412.TIF                                  
    440   1957  3 25   -1   -1   SO   -1   -1        -1   -1       -1   -1  413.TIF                                  
    441   1957  3  4   -1   -1   SO   -1   -1        -1   -1       -1   -1  410.TIF                                  
    441   1957  3 11   -1   -1   SW   -1   -1        -1   -1       -1   -1  412.TIF  SPOTS ALONG EAST BANK           
    442   1957  3 25   -1   -1   SW   -1   -1        -1   -1       -1   -1  413.TIF  TO POINT ANNE: ALONG SHORE      
    446   1957  3  4   -1   -1   SO   -1   -1        -1   -1       -1   -1  410.TIF                                  
    446   1957  3 11   -1   -1   SO   -1   -1        -1   -1       -1   -1  412.TIF                                  
    446   1957  3 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  413.TIF                                  
    448   1957  3 11   -1   -1   SO   -1   -1        -1   -1       -1   -1  412.TIF                                  
    448   1957  3 25   -1   -1   SO   -1   -1        -1   -1       -1   -1  413.TIF                                  
    450   1957  3 11   -1   -1   SO   -1   -1        -1   -1       -1   -1  412.TIF                                  
    450   1957  3 25   -1   -1   SO   -1   -1        -1   -1       -1   -1  413.TIF                                  
    452   1957  3  4   -1   -1   SO   -1   -1        -1   -1       -1   -1  410.TIF                                  
    452   1957  3 11   -1   -1   SO   -1   -1        -1   -1       -1   -1  412.TIF                                  
    452   1957  3 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  413.TIF                                  
    455   1957  2 25   -1   -1   HF   -1   -1   WI   -1   -1   RT  -1   -1  408.TIF                                  
    459   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  410.TIF  EAST GAP: SHORE ICE ONLY        
    459   1957  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  412.TIF  EAST GAP                        
    460   1957  2 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  408.TIF  CHANNEL FROM LAKE TO SAND PT.   
    460   1957  3 11   -1   -1   LI   -1   -1        -1   -1       -1   -1  412.TIF  LAKE                            
    460   1957  4  1   -1   -1   LF   -1   -1   RT   -1   -1       -1   -1  414.TIF                                  
    462   1957  2 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  408.TIF                                  
    462   1957  2 25   -1   -1   IP   -1   -1   WI   -1   -1       -1   -1  408.TIF  1/2Mi AT HARBOR ENTRANCE        
    463   1957  2 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  408.TIF  LAKE: TO 8Mi FROM GALOO ISLAND  
    463   1957  2 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  408.TIF  CANAL                           
    466   1957  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  412.TIF  LAKE                            
    467   1957  2 25   -1   -1   SO   -1   -1        -1   -1       -1   -1  408.TIF                                  
    467   1957  3 11   -1   -1   SW   -1   -1        -1   -1       -1   -1  412.TIF                                  
    470   1957  2 25   -1   -1   OW   -1   -1   BV   -1   -1       -1   -1  408.TIF  LOWER RIVER: INTO LAKE          
    470   1957  3  4   -1   -1   OW   -1   -1   BV   -1   -1       -1   -1  410.TIF  LOWER RIVER: INTO LAKE          
    478   1957  2 25   15   -1   SO   -1   -1        -1   -1       -1   -1  408.TIF                                  
    478   1957  2 25    9   12        -1   -1        -1   -1       -1   -1  408.TIF  AROUND COAL DOCK                
    478   1957  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  412.TIF  LAKE: TO 300YDS PAST SAND PT.   
    478   1957  3 11   10   -1   SO   -1   -1        -1   -1       -1   -1  412.TIF  COAL DOCK                       
    495   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  410.TIF                                  
    497   1957  2 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  408.TIF  HARBOR: TO PRESCOTT             
    497   1957  2 25   -1   -1   OW   -1   -1        -1   -1       -1   -1  408.TIF  TO 1 & 1/2Mi WEST IN CHANNEL    
    497   1957  3  4   10   12        -1   -1        -1   -1       -1   -1  410.TIF  BAY                             
    497   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  410.TIF  CHANNEL: TO 4Mi WEST            
    497   1957  3  4   -1   -1   SO   -1   -1        -1   -1       -1   -1  410.TIF  CHANNEL: FROM 4 TO 12Mi WEST    
    497   1957  3 11    8   10   SO   -1   -1        -1   -1       -1   -1  412.TIF  BAY                             
    497   1957  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  412.TIF  CHANNEL WEST TO SISTER ISLANDS  
    497   1957  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  412.TIF  EAST TO CARDINAL LOCK           
    497   1957  3 11   -1   -1   LF   -1   -1   BK   -1   -1       -1   -1  412.TIF  ALONG SHORE: TO 1/4Mi OUT       
    498   1957  2 25    6   10        -1   -1        -1   -1       -1   -1  408.TIF  SHORE TO SHORE                  
    498   1957  2 25   12   15        -1   -1        -1   -1       -1   -1  408.TIF  BAYS                            
    498   1957  3 25   -1   -1   LI   -1   -1        -1   -1       -1   -1  413.TIF                                  
    498   1957  4  1   -1   -1   LI   -1   -1        -1   -1       -1   -1  414.TIF                                  
    500   1957  2 25   -1   -1   IP   -1   -1        -1   -1       -1   -1  408.TIF  TO 500FT OUT                    
    500   1957  2 25   -1   -1   IJ   -1   -1        -1   -1       -1   -1  408.TIF  TO FAR N & SW                   
    500   1957  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  410.TIF  MAIN CHANNEL                    
    500   1957  3  4   -1   -1   BK   -1   -1   RT   -1   -1       -1   -1  410.TIF  TO 100FT OUT FROM SHORE         
    500   1957  3 11   -1   -1   LI   -1   -1   DI   -1   -1       -1   -1  412.TIF  MAIN CHANNEL                    
    500   1957  3 11   -1   -1   IP   -1   -1   RT   -1   -1       -1   -1  412.TIF  TO 50FT OUT FROM SHORE          
 ---------------------------------------------------------------------------------------------------------------
 Ice thickness is in inches, -1 = no thickness reported, see report for ice conditon codes.
 T1 = ice thickness or part of a range if T2 is present,  C1 = primary condtion of ice.
 T1C1 = thickness of C1 or part of range if T2C1 is presnet.
 C2, T1C2, T2C2, C3, T1C3, T2C3 are secondary and ternary ice conditon and condition thickness.