Upper Mississippi River Ice Dams
Ice dams form on the Upper Mississippi River near Lock and Dam 6, near Trempealeau, Wisconsin.

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Photo by: Joe Heffner  |  VIRIN: 200127-A-A1415-001.JPG

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U.S. Army Corps of Engineers
St. Paul District
Public Affairs Office
332 Minnesota St., Suite E1500
St. Paul, MN 55101

Phone: (651) 290-5807
Fax: (651) 290-5752