St. Anthony Falls - 30,000 cfs
When flows on the Mississippi River reach 30,000 cubic feet per second at St. Anthony Falls, the three Minneapolis locks are closed to recreational boaters. When flows reach 40,000 cubic feet per second, it is also closed to commercial vessels. [Photo: May 2013]

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Photo by: Mike DeRusha |  VIRIN: 130506-A-CC999-001.JPG