Tags: Dam.

Lock and Dam No. 9 is a lock and dam located near Lynxville Wisconsin and Harpers Ferry Iowa on the Upper Mississippi River around river mile 647.9. The lower portion of Pool 9 was formally named Lake Winneshiek. The normal pool elevation behind the dam is 620 feet (189.0 m). It was constructed and placed in operation in July 1937. The site underwent a major rehabilitation from 1989 and 2006.

Mississippi_River_Lock_and_Dam_number_9.jpg
building start year
1936-01-01T00:00:00+02:00
location
Taylor Township Allamakee County Iowa, Allamakee County Iowa, Crawford County Wisconsin, Lynxville Wisconsin, Seneca Crawford County Wisconsin, United States
opening year
1937-01-01T00:00:00+02:00
operator
United States Army Corps of Engineers
river
Upper Mississippi River
latitude
43.2128
longitude
-91.1042

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