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

"January 1982."

Includes bibliographical references.