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Lock and Dam 1, southcentral MinnesotaPool 1 is impounded by Lock and Dam #1 Dam on the Mississippi River in Hennepin County, Minnesota and is used for improved navigation, hydroelectric power and recreation purposes. Construction was completed in 1917. It has a normal surface area of 1.4 square miles. It is owned by Cemvp - Ford Motor Co. Lock & Dam #1, also known as Pool 1 is concrete. The core is concrete. The foundation is rock, soil. Though originally completed in 1917, the structure underwent modifications in 1983 (structural), 1983M, 1995M, 1996M, 2003 (structural). Its height is 56 feet with a length of 742 feet. Maximum discharge is 742 cubic feet per second. Its capacity is 9300 acre feet. Normal storage is 5400 acre feet. It drains an area of 19500 square miles.
Lakes, Dams, and Recreational Facilities Near Lock and Dam 1
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