Great Northern Authorization for Expediture (AFE) 76329, Brent, Montana, 1948
AFE, Series II, Number 76329, Brent, Montana, March 4, 1948, Concrete Support Wall. Located in folder 'Conkelley'. Other subject categories: Grading/Ditching/Roads/Culverts. Initial cataloger's disposition code: M, AFE Sheet page 1, with map or other paper
Great Northern Authorization for Expediture (AFE) 79601, Brent, Montana, 1950
AFE, Series II, Number 79601, Brent, Montana, March 31, 1950, Relay with 115 Pound Rail - 4218+168 to 4363+038. Located in folder 'Conkelley'. Other subject categories: Relay. Initial cataloger's disposition code: Z, File not retained
Great Northern Authorization for Expediture (AFE) 83090, Brent, Montana, 1952
AFE, Series II, Number 83090, Brent, Montana, September 8, 1952, Right of Way Fence -- 4230+35 to 4327+04. Located in folder 'Conkelley'. Other subject categories: Row Fence. Initial cataloger's disposition code: Z, File not retained
Great Northern Authorization for Expediture (AFE) 83950, Brent, Montana, 1953
AFE, Series II, Number 83950, Brent, Montana, May 15, 1953, Anaconda Tracks. Located in folder 'Conkelley'. Other subject categories: Track. Initial cataloger's disposition code: M, AFE Sheet page 1, with map or other paper
Great Northern Authorization for Expediture (AFE) 84119, Brent, Montana, 1953
AFE, Series II, Number 84119, Brent, Montana, June 16, 1953, Temporary Plank Crossings. Located in folder 'Conkelley'. Other subject categories: Crossings. Initial cataloger's disposition code: Z, File not retained