The Mesabi Division file contains clearance diagrams for 10 railway line segments divided at Minneapolis Junction, Minnesota; Coon Creek, Minnesota; Boylston, Minnesota; Duluth, Minnesota; Cass Lake, Minnesota; Brookston, Minnesota; Kelly Lake, Minnesota; Gunn, Minnesota; Virginia, Minnesota; Saint Cloud, Minnesota, Brook Park, Minnesota; Sauk Centre, Minnesota; Cass Lake, Minnesota; Allouez, Wisconsin and Saunders, Wisconsin. Individual segment diagrams appear to have been updated in the period between 1957 and 1969.
Great Northern Railway Historical Society Blueprint Collection JSBP2138, Gunn, Minnesota, 1951. Great Northern Blueprint Number 9423-1, Signal Maintainer's Motor Car House. Floor Plan and Elevations. Authorization for Expenditure 81419. Interstate Commerce Commission Account Number 17, Roadway Buildings. Other ICC account descriptions: ICC Account Number 17, Motor Car House.
Great Northern Railway Historical Society Blueprint Collection JSBP2137, Gunn, Minnesota, 1948. Great Northern Blueprint Number 209-3407-17, Rail over Highway - Bridge No, 28.5. General Plan and Timber Details for Extension. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.
Great Northern Railway Authorization for Expenditure (AFE), Gunn, Minnesota, 1909. Bunk House . Interstate Commerce Commission Account Number 17, Roadway buildings. Series .
Great Northern Railway Authorization for Expenditure (AFE), Gunn, Minnesota, 1909. Tool House . Interstate Commerce Commission Account Number 17, Roadway buildings. Series .
Great Northern Railway Authorization for Expenditure (AFE), Gunn, Minnesota, 1909. Section House . Interstate Commerce Commission Account Number 17, Roadway buildings. Series .
AFE 91793, Gunn, Minnesota, undated. T.O.F.C. Platform . Interstate Commerce Commission Account Number 25, . Series II.
AFE 91793, Gunn, Minnesota, 1959. Erect 10 X 16 X 65 Platform, with Gravil Driveway. Interstate Commerce Commission Account Number 25, TOFC/COFC terminals. Cost: $1958. Series II. Lines East. Other Subject Categories: Station Facilities
AFE 91411, Gunn, Minnesota, 1959. Construct Safety Walk on North Side, with Ore Retaining Plank on North and South Side of Bridge. Interstate Commerce Commission Account Number 6, Bridges, Trestles, Culverts. Cost: $1500. Series II. Lines East. Other Subject Categories: Structures, Bridges
AFE 89341, Gunn, Minnesota, 1957. Retire and Remove Water Station, Sell Water Tank. Interstate Commerce Commission Account Number 18, Water Stations. Cost: $150. Series II. Lines East. Other Subject Categories: Servicing Facilities, Water