Great Lakes Essential Resources: Contemporary Maps & Charts
Top Resources for Contemporary Maps & Charts for All Great Lakes
Contemporary Maps & Charts of Lake Superior
Contemporary Maps & Charts of Lake Michigan
Contemporary Maps & Charts of Lake Huron
Contemporary Maps & Charts of Lake Ontario

United States Geological Survey. Mineral Map of Lake Superior (n.d.). Image source: United States Geological Survey.

Environment Canada, Lake Erie Drainage Basin (n.d.). Image source: Government of Canada.

Environment Canada, Lake Ontario Drainage Basin (n.d.). Image source: Government of Canada.