The port of Duluth-Superior, Minn. and Wis.
By: prepared by the Board of Engineers for Rivers and Harbors, War Department, in cooperation with Bureau of Operations, United States Shipping Board
Contributors: United States. War Dept; United States. Shipping Board; United States. Shipping Board. Bureau of Operations; United States. Army. Corps of Engineers; United States. Army. Office of the Chief of Engineers
Series: Lake series / Board of Engineers for Rivers and Harbors, War Dept -- no. 6; Lake series (United States. Board of Engineers for Rivers and Harbors) -- no. 6
Publisher: U.S. Govt. Print. Off.
Published: 1932
Place of publication: Washington, D.C
Language: eng
Number of pages: 161
Subjects: Harbors -- Minnesota -- Duluth; Harbors -- Wisconsin -- Superior; Harbors -- Superior, Lake; Duluth (Minn.) -- Commerce; Superior (Wis.) -- Commerce
Notes: At head of title: War Department. Corps of Engineers, United States Army and United States Shipping Board

"June 3, 1931. ... The Chief of Engineers, United States Army...."--p. v

Some plates printed on both sides of leaves

Includes index