Great Lakes Bathymetry

Great Lakes Bathymetric Data Maps (.gif)

Higher Resolution Great Lakes Bathymetric Maps (.jpg)

Gridded Bathymetric Data and Digitized Shorelines

Great Lakes Data Rescue (Bathymetry maps from NOAA NGDC)

For more information, see: Computerized Bathymetry and Shorelines of the Great Lakes - NOAA Data Report DR-16. D.J. Schwab and D.L. Sellers (1980...revised 1996)