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Lock and Dam No. 4

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Opening date  May 1935
Opened  May 1935
Construction began  1932
Creates  Pool 4
Catchment area  147,888 km²
Impound  Upper Mississippi River
Lock and Dam No. 4 httpsuploadwikimediaorgwikipediacommonsthu
Location  Greenfield Township, Wabasha County, Minnesota / Alma, Wisconsin, USA
Impounds  Upper Mississippi River
Length  1,367 feet (416.7 m) (movable portion)
Total capacity  878,000 acre·ft (1.083 km)
Operator  United States Army Corps of Engineers
Similar  Lock and Dam No 5, Lock and Dam No 3, Lock and Dam No 6, Lock and Dam No 5A, Lock and Dam No 7

Lock and Dam No. 4 is a lock and dam located near Alma, Wisconsin and Kellogg, Minnesota on the Upper Mississippi River around river mile 752.8.

Contents

Map of Lock and Dam No. 4, Alma, WI 54610, USA

History

The lock and dam was constructed and placed in operation in May 1935. There were ten major injuries and three deaths recorded during construction of the facility. Its last major rehabilitation was from 1988 to 1994.

References

Lock and Dam No. 4 Wikipedia


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