Great Northern Railway Historical Society Blueprint Collection JSBP0896, Chelsea, Montana, undated. Proposed Private Crossing. Map. Interstate Commerce Commission Account Number 15, Crossings and Signs. Other ICC account descriptions: ICC Account Number 14, Private Crossing.

Great Northern Railway Authorization for Expenditure (AFE), Chelsea, Montana, undated. Coal Shed, (2 Miles East) -. Interstate Commerce Commission Account Number 19, Fueling Stations. Series Original.

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

Great Northern Railway Authorization for Expenditure (AFE), Chelsea, Montana, 1887. Section House . Interstate Commerce Commission Account Number 17, Roadway buildings. Series Original.

Great Northern Railway Authorization for Expenditure (AFE), Chelsea, Montana, 1887. Water Tank, (2 Miles West) - 50,000 Gallon Tank, with Windmill. Interstate Commerce Commission Account Number 18, Water Stations. Series Original.

AFE 946, Chelsea, Montana, 1898. Extend 769'. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $1960. Series I. Lines West. Other Subject Categories: Track, Passing

AFE 80639, Chelsea, Montana, 1951. Relay 7.9 Miles of Track Between Poplar and Chelsea, Mt. Interstate Commerce Commission Account Number 9 Rails Cost: $222500. Series II. Lines West. Montana Division. Other Subject Categories: Track Maintenance, Rail

AFE 7768, Chelsea, Montana, 1903. Relocate Hand Car House to Poplar. Interstate Commerce Commission Account Number 17, Roadway buildings. Series I. Lines West. Other Subject Categories: Roadway Buildings, Section Facilities

AFE 6444, Chelsea, Montana, 1902. Change Split Switch for Stub Switch in Crossover. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Series I. Lines West. Other Subject Categories: Track, Track Laying and Removal

AFE 6380, Chelsea, Montana, 1902. Construct Standard Water Tank, Windmill on 50' Tower, Curtis Pump, with Gasoline Pwered Pumping Plant, Also Construct 2,000,000 Gallon Settling Tank. Interstate Commerce Commission Account Number 18, Water Stations. Cost: $5454. Series I. Lines West. Other Subject Categories: Servicing Facilities, Water