The Cuyuna Iron Range Municipally-Owned Elevated Metal Water Tanks are a group of five water towers within the Cuyuna Range in Crow Wing County, Minnesota. The water tanks, built between 1912 and 1918, were listed on the National Register of Historic Places because they represent the historical period of community planning, public works, and engineering that supported the development of the Cuyuna Range. Their construction was made possible by a favorable property tax arrangement on the iron mines that brought significant revenues to the towns of Crosby, Cuyuna, Deerwood, Ironton, and Trommald. The communities began around 1910, when iron mining started on the Range. The peak of mining employment was around 1920, and it started to decline around 1930. By the 1950s, iron mining was well in