Great Northern Blueprint Number 1240-16-3, Great Northern Cross Section through Slide, 1943. Other subject categories: Drawing

Great Northern Blueprint Number 1240-16-2, map of Corson, undated. Other subject categories: Right of Way and Track Map

Great Northern Blueprint Number 1240-16-1, map of Wagon Road 1 1/2 Miles West of Corson, 1892. Other subject categories: Right of Way and Track Map

Great Northern Railway Historical Society Blueprint Collection JSBP1077, Corson, South Dakota, 1938. Great Northern Blueprint Number 136-1434-22, Bridge 139.2. Over Big Sioux River. Authorization for Expenditure 54892. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridges and Trestles.

Great Northern Railway Historical Society Blueprint Collection JSBP1010, Corson, South Dakota, undated. Wilmar & Sioux Falls Railway Blueprint, WSF Bridge #215. Elevation. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.

Great Northern Railway Historical Society Blueprint Collection JSBP1009, Corson, South Dakota, undated. Wilmar & Sioux Falls Railway Blueprint, WSF Railroad Bridge #209 over Split Rock Creek. Elevation. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.

Great Northern Railway Historical Society Blueprint Collection JSBP1008, Corson, South Dakota, undated. Wilmar & Sioux Falls Railway Blueprint, WSF Railroad Bridge #207 over Split Rock Creek. Elevation. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.

Great Northern Railway Authorization for Expenditure (AFE), Corson, South Dakota, undated. Passenger Platform . Interstate Commerce Commission Account Number 16, Station and Office Buildings. Series Original.

Great Northern Railway Authorization for Expenditure (AFE), Corson, South Dakota, 1892. Hand Car House . Interstate Commerce Commission Account Number 17, Roadway buildings. Series Original.

Great Northern Railway Authorization for Expenditure (AFE), Corson, South Dakota, 1892. Section House, 1 1/2 Story, with Leanto 8 X 14; Relocated From Smith Lake. Interstate Commerce Commission Account Number 17, Roadway buildings. Series Original.