Harbor and channel modifications
Subtitle: Duluth-Superior Harbor, Minnesota and Wisconsin.
Contributors: United States. Army. Corps of Engineers. Detroit District.
Publisher: U.S. Army Corps of Engineers, Detroit District
Published: 1982
Place of publication: Detroit, Mich
Language: eng
Subjects: Harbors -- Minnesota -- Duluth.; Harbors -- Wisconsin -- Superior.
Other titles: Final feasibility report and final environmental impact statement on harbor and channel modifications: Duluth-Superior Harbor, Minnesota and Wisconsin.
Notes: Cover title: Final feasibility report and final environmental impact statement on harbor and channel modifications: Duluth-Superior Harbor, Minnesota and Wisconsin.

"August 1982."

Includes bibliographical references.