Research Data: Properties and Metrics:

Great Lakes Bathymetry

Great Lakes bathymetric data maps (GIF)

Superior | Michigan | Huron

St. Clair | Erie | Ontario

Gridded bathymetric data and digitized shorelines

Superior (233Kb) | Michigan (209Kb) | Huron (253Kb)
St. Clair (16Kb) | Erie (72Kb) | Erie [rotated] (89Kb)
Ontario (76Kb) | Great Lakes shorelines (260Kb)

Great Lakes Data Rescue (Bathymetry maps)

Michigan | Huron | Erie/St. Clair | Ontario