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University of Detroit Mercy

Fr. Edward J. Dowling, S.J. Marine Historical Collection

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U. S. Department of Commerce (1)

U. S. Maritime Comm. (5)

U. S. S. B. (1)

U. S. Shipping Board (5)

Union Oil Co. (1)

Union Steamboat Line. (2)

Union Steamboat Line (Erie Railroad) (4)

Union Steamship Co, (Erie Railroad) (1)

Union Towing Co. (1)

Union Transit, Ltd. (1)

United Fuel and Supply Co. (3)

United States Army Quartermasters Dept. (2)

United States Coast Guard. (1)

United States Government (1)

United States Lighthouse Service. (2)

United States Maritime Commission (10)

United States Navy (1)

United States Shipping Board (10)

United States Shipping Board. (1)

United States Steel Corp. (1)

United States Transit Co. (4)

United States War Department. (1)

United States War Shipping Administration (1)

United Towing & Salvage Co. (1)

United Towing & Salvage Co. (1)

Upham and Weed (2)

Upper Lakes & St. Lawrence Transportation Co. (9)

Upper Lakes Barge Line, Inc. (1)

Upper Lakes Shipping, Ltd. (6)

Upper Lakes Towing Co. (1)

U.S. Army. (1)

U.S. Coast Guard. (1)

U.S. Lighthouse Service. (1)

U.S. Navy (4)

U.S. War Shipping Adm. (6)

Uscan (1)

U.S.S.R. (1)