Lock and Dam No. 7

Lock and Dam No. 7 is a lock and dam located near Onalaska, Wisconsin on the Upper Mississippi River. It forms pool 7 and Lake Onalaska. The facility is located on Mississippi River mile 702.5 near La Crescent, Minnesota. It was constructed and placed in operation in April, 1937 and underwent major rehabilitation from 1989 through 2002.

Lock and Dam No. 7

Lock and Dam No. 7 is a lock and dam located near Onalaska, Wisconsin on the Upper Mississippi River. It forms pool 7 and Lake Onalaska. The facility is located on Mississippi River mile 702.5 near La Crescent, Minnesota. It was constructed and placed in operation in April, 1937 and underwent major rehabilitation from 1989 through 2002.