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, Series II, Number 91764, Sprole, Montana, September 1, 1959, Depots and South Sheds. Located in folder 'Brockton'. Other subject categories: Depot. Initial cataloger's disposition code: T, Split file for AFEs identified only by reference in other documents

AFE, Series II, Number 85550, Sprole, Montana, August 13, 1954, Extend Oil Unloading Tracks. Located in folder 'Brockton'. Other subject categories: Track. Initial cataloger's disposition code: M, AFE Sheet page 1, with map or other paper

AFE, Series II, Number 84470, Sprole, Montana, September 17, 1953, Murphy Corp Spur. Located in folder 'Brockton'. Other subject categories: Track. Initial cataloger's disposition code: M, AFE Sheet page 1, with map or other paper

AFE, Series II, Number 82775, Sprole, Montana, June 17, 1952, Industry Spur. Located in folder 'Brockton'. Other subject categories: Track. Initial cataloger's disposition code: M, AFE Sheet page 1, with map or other paper

AFE, Series II, Number 80351, Sprole, Montana, October 19, 1950, Switch Heaters (also Survant). Located in folder 'Brockton'. Other subject categories: Relay. Initial cataloger's disposition code: Z, File not retained

AFE, Series II, Number 78832, Sprole, Montana, September 16, 1949, Relay Passing Track with 110 Pound Rail. Located in folder 'Brockton'. Other subject categories: Relay. Initial cataloger's disposition code: Z, File not retained