Title: Manitowoc Harbor and River, Wis. Letter from the Secretary of War, transmitting, with a letter from the Chief of Engineers, report of preliminary examination and survey of Manitowoc Harbor and River, Wis., with a view to further improvement to meet the demands of commerce by deepening of said river and enlargement of dredged area of basin inside breakwaters, or otherwise
Subjects: Harbors, Topographical surveying, Rivers