US Army Corps of Engineers
St. Paul District Website

Lock and Dam 1
Early in the morning of April 2, 2015, Aggregate Industries' MV Patrick Gannaway pushes two barges loaded with sand and gravel into the lock chamber at Lock and Dam 1, located adjacent to Minnehaha Park in Minneapolis.

Contact Public Affairs

U.S. Army Corps of Engineers
St. Paul District
Public Affairs Office
180 5th St. E., Suite 700
St. Paul, MN 55101
Phone: (651) 290-5807
Fax: (651) 290-5752