St. Paul District, U.S. Army Corps of Engineers: First tow of 2017 navigation season
St. Paul District, U.S. Army Corps of Engineers: First tow of 2017 navigation season
St. Paul District, U.S. Army Corps of Engineers: First tow of 2017 navigation season
St. Paul District, U.S. Army Corps of Engineers: First tow of 2017 navigation season
St. Paul District, U.S. Army Corps of Engineers: First tow of 2017 navigation season