Great Northern Engineering Drawing: Masonry Plan, Bridge 271A - Private Crossing, west of Sprole, Montana, Line Segment 035, Milepost 206.2. Sheet 285 - 5487 - 3, undated.

AFE 12248, Sprole, Montana, 1906. Extend. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Series I. Lines West. Other Subject Categories: Track, Passing

AFE 24021, Sprole, Montana, 1914. Replace Timber Trestle withConcrete Trestle 1 1/2 Mile West. Interstate Commerce Commission Account Number 6, Bridges, Trestles, Culverts. Cost: $1800. Series I. Lines West. Montana Division. Other Subject Categories: Structures, Bridges

AFE 24022, Sprole, Montana, 1914. Replace Timber Trestle withConcrete Trestle 2 3/4 Miles West. Interstate Commerce Commission Account Number 6, Bridges, Trestles, Culverts. Cost: $2510. Series I. Lines West. Montana Division. Other Subject Categories: Structures, Bridges

AFE 24027, Sprole, Montana, 1914. Replace Timber Trestle withConcrete Trestle 1 1/2 Miles West. Interstate Commerce Commission Account Number 6, Bridges, Trestles, Culverts. Cost: $2480. Series I. Lines West. Montana Division. Other Subject Categories: Structures, Bridges

AFE 2470, Sprole, Montana, 1900. Relocate Section House. Interstate Commerce Commission Account Number 17, Roadway buildings. Series I. Lines West. Other Subject Categories: Roadway Buildings, Section Facilities

AFE 25575, Sprole, Montana, 1915. Replace Pile Bridge No 263 withConcrete Trestle 64 Feet Long. Interstate Commerce Commission Account Number 6, Bridges, Trestles, Culverts. Cost: $2680. Series I. Lines West. Montana Division. Other Subject Categories: Structures, Bridges

AFE 25995, Sprole, Montana, 1915. C0Nstruct Near Sprole. Interstate Commerce Commission Account Number 14, Crossings. Cost: $25. Series I. Lines West. Montana Division. Other Subject Categories: Crossings, Private

AFE 36167, Sprole, Montana, 1928. Construct a 2965 FeetExtension to East End of Passing Track, Making Total Length of Track 7000' at Sprole, Montana. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $18050. Series II. Lines West. Montana Division.