Comstock House, Moorhead, September 23, 2013. Photograph by Wikimedia Commons user McGhiever. CC BY-SA 3.0.

Colorized postcard featuring a photograph of the intersection of River Drive and Jefferson Highway, St. Cloud, ca. 1918.

A bird’s-eye view of Georgetown, ca. 1907. From Box 1 of the Randolph Probstfield papers (1858–2003), Northwest Minnesota Historical Center, Moorhead. Used with the permission of the Northwest Minnesota Historical Center.

Undated photograph of the Probstfield farmhouse in Oakport, Minnesota. Probstfield family photographs (Box 3), Historical and Cultural Society of Clay County, Moorhead.

Beltrami County Courthouse. Photograph by Flickr user Jimmy Emerson, DVM, June 22, 2013. CC BY-NC-ND 2.0.

Beltrami County Courthouse. Photograph by English language Wikipedia user “Crash over ride,” April 21, 2005. GNU Free Documentation License 1.2.

View from the Beltrami County Courthouse's cupola, Bemidji, 1950s. Used with the permission of the Beltrami County Historical Society.

View from the Beltrami County Courthouse's cupola looking northeast toward St. Philip's Catholic Church, Bemidji, 1950s. Used with the permission of the Beltrami County Historical Society.

Two Ground Observer Corps volunteers in the interior of the Beltrami County Courthouse's cupola, 1950s. During the Cold War volunteers used the space, which they entered by climbing a ladder, as a headquarters for identifying and tracking airplanes. Used with the permission of Beltrami County Historical Society.