Great Northern Railway Historical Society Blueprint Collection JSBP1252, Doon, Iowa, 1931. Water Treating Plant. Situation Plat. Authorization for Expenditure 40837. Interstate Commerce Commission Account Number 18, Water Stations. Other ICC account descriptions: ICC Account Number 18, Water Facilities.

Great Northern Railway Historical Society Blueprint Collection JSBP3265, Merrill, Iowa, 1919. Moving Depot. Situation Plat. Authorization for Expenditure 7992. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Station Facilities.

Great Northern Railway Historical Society Blueprint Collection JSBP4795, Sioux City, Iowa, 1918. Toilet Building. Situation Plat. Authorization for Expenditure 8607. Interstate Commerce Commission Account Number 20, Shops and Engine Houses. Other ICC account descriptions: ICC Account Number 20, Shop Facilities.

Great Northern Railway Historical Society Blueprint Collection JSBP4800, Sioux City, Iowa, 1919. Ice House. Remodel - Situation Plat. Authorization for Expenditure 9564. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Icing Facilities.

Great Northern Railway Historical Society Blueprint Collection JSBP4803, Sioux City, Iowa, 1920. Ice House. Situation Plat. Authorization for Expenditure 9564. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Icing Facilities.

Great Northern Railway Historical Society Blueprint Collection JSBP4858, Sioux City, Iowa, undated. Divider Wall. Situation Plat. Authorization for Expenditure 9925. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Station Facilities.