Great Northern Railway Historical Society Blueprint Collection JSBP0537, Blythe, Montana, 1951. Great Northern Blueprint Number 145-4685, Proposed Plan Bridge Number 189.9. Elevation. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.

AFE 68.0677, Blythe, Montana, 1968. Remove. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Series II. Lines West. Other Subject Categories: Stockyard Facilities

AFE 66.0955, Blythe, Montana, 1966. Retire and Remove. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Series II. Lines West. Other Subject Categories: Stockyard Facilities

AFE 39071, Blythe, Montana, 1928. Construct 2-Pen 24 X 48 FeetStockyard with One Double Deck Chute and 48 FeetWing Fence at Blythe, Montana. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Cost: $560. Series II. Lines West. Butte Division.

AFE 23907, Blythe, Montana, 1913. Construct 100 Foot Cinder Platform at Depot. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Cost: $105. Series I. Lines West. Butte Division. Other Subject Categories: Station Facilities

Great Northern Engineering Drawing: Shop Plan - Standard Beam Span, Bridge 498 - Otter Creek, north of Blythe, Montana, Line Segment 362, Milepost 190.4. Sheet 310 - 4684 - 7, undated.

Great Northern Engineering Drawing: Shop Plan - Standard Beam Span, Bridge 496 - Otter Creek, north of Blythe, Montana, Line Segment 362, Milepost 189.9. Sheet 310 - 4685 - 7, undated.

Great Northern Engineering Drawing: Masonry Plan, Bridge 501 - Otter Creek, north of Blythe, Montana, Line Segment 362, Milepost 191.0. Sheet 310 - 4682 - 6, undated.