Great Lakes Resources

Toledo Port Authority

American Steamship Co.

Interlake Steamship Co.

Canada Steamship Co.

Algoma Marine

Voyageur Marine Transport

Upper Lakes Shipping

Lake Erie Islands Historical Society

Welland Canal Archives

Great Lakes Marine Review

Know Your Ships

Duluth Shipping News

Great Lakes Shipwreck Research & Diving Warehouse

 USCG 9th District