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Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffalo County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffalo County, WI

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description

Summary

Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project, including the lock and movable section which includes roller and Tainter gates.
Survey number: HAER WI-47
Building/structure dates: 1932- 1938 Initial Construction
Building/structure dates: 1958 Subsequent Work
Building/structure dates: 1966 Subsequent Work
Building/structure dates: 1967 Subsequent Work
Building/structure dates: 1968 Subsequent Work
Building/structure dates: 1969 Subsequent Work
Building/structure dates: 1972 Subsequent Work
Building/structure dates: 1981 Subsequent Work
Building/structure dates: 1983 Subsequent Work

person

Contributors

Historic American Engineering Record, creator
U.S. Army Corps of Engineers
place

Location

Alma (Wis.)44.31997, -91.91488
Google Map of 44.3199654, -91.91488389999999
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Source

Library of Congress
copyright

Copyright info

No known restrictions on images made by the U.S. Government; images copied from other sources may be restricted. http://www.loc.gov/rr/print/res/114_habs.html

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