Great Northern Blueprint Number M-36, map of Durbin Extension, Branch Number 2, Portland to Ripon, undated. Other subject categories: Right of Way and Track Map

Great Northern Railway Authorization for Expenditure (AFE), Portland, North Dakota, undated. Engine House, 2 Stall. Interstate Commerce Commission Account Number 20, Shops and Engine Houses. Series Original.

Great Northern Railway Authorization for Expenditure (AFE), Portland, North Dakota, undated. Stock Chute . Interstate Commerce Commission Account Number 16, Station and Office Buildings. Series Original.

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

Great Northern Railway Authorization for Expenditure (AFE), Portland, North Dakota, undated. Section House, with Leanto 16 X 13. Interstate Commerce Commission Account Number 17, Roadway buildings. Series Original.

Great Northern Railway Authorization for Expenditure (AFE), Portland, North Dakota, undated. Passenger and Freight Depot . Interstate Commerce Commission Account Number 16, Station and Office Buildings. Series Original.

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

Great Northern Railway Authorization for Expenditure (AFE), Portland, North Dakota, undated. Windmill, Located 1/2 Mile West. Interstate Commerce Commission Account Number 18, Water Stations. Series Original.

Great Northern Railway Authorization for Expenditure (AFE), Portland, North Dakota, undated. Hand Car House, Located 3 Mile East. Interstate Commerce Commission Account Number 17, Roadway buildings. Series Original.

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