Great Northern Railway Historical Society Blueprint Collection JSBP1246, Doon, Iowa, 1930. Water Treating Plant. Foundation Details of Pumping Equipment and Pipe Connections. 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 JSBP1247, Doon, Iowa, 1930. Water Tank. 50,000 Gallon Tank - Foundation Plan. 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 JSBP1248, Doon, Iowa, 1931. Water Treating Plant. Pole Line Constructed and Electric Lights. 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 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 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 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