By Caroline Rosacker
During the 2020 season, U.S. Army Corps of Engineers, St. Paul District, staff supported 2,620 commercial navigation lockages at Lock and Dam 10, near Guttenberg. This was above the ten-year average of 2,164 lockages. The 2020 lockages supported 16,974,594 tons of commodities by the navigation industry, in comparison to the 2019 season that supported 1,750 commercial lockages and the movement of 11,575,625 tons of commodities.