Great Northern Railway Historical Society Blueprint Collection JSBP1249, Doon, Iowa, 1931. Water Treating Plant. Corrected Foundation Plan of 16 X 24 Bldg. 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 JSBP1250, Doon, Iowa, 1931. Water Treating Plant. Plan of Foundation Details of Pumping Equipment. 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 JSBP1251, Doon, Iowa, 1931. Water Treating Plant. Plan of Pump Pit. 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 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 JSBP1253, Doon, Iowa, 1931. Water Treating Plant. Well Constructed. 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 JSBP1254, Doon, Iowa, 1941. Great Northern Blueprint Number 7853-2, Passenger and Freight Depot. Elevations, Sections and Details. Authorization for Expenditure 61936. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Depot.

Great Northern Railway Historical Society Blueprint Collection JSBP1255, Doon, Iowa, 1941. Great Northern Blueprint Number 7853-1, Passenger and Freight Depot. Floor Plan and Sections. Authorization for Expenditure 61936. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Depot.

Great Northern Railway Historical Society Blueprint Collection JSBP1256, Doon, Iowa, 1947. Great Northern Blueprint Number 136-4155, Proposed Walks On Bridge Number 164.4. Section. 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 JSBP1257, Doon, Iowa, undated. Water Treating Plant. 24 X 20 Plant - Sludge Floor and Piping. Authorization for Expenditure 40837. Interstate Commerce Commission Account Number 18, Water Stations. Other ICC account descriptions: ICC Account Number 18, Water Facilities.

Great Northern Blueprint Number 3A.800.2, Great Northern Foundation Plan for Water Treating Plant, 1930. Other subject categories: Drawing