Winnibigoshish, Leech Lake, and Pokegama Falls Dams were built in the Mississippi Headwaters during the late 19th century. These structures preceded the construction of the Headwaters reservoir system and played key roles in flood prevention and river control during the 20th century.
Cole's Mill after cyclone, Rochester. Photographed by Elmer & Tenney, August 21, 1883. At Cole's Mill, eight cars of flour were overturned, the west end of the mill was blown in, machinery was blown about, and the roof was blown off.