AFE, Series II, Number 68461, Iron, Montana, March 20, 1944, Renew Bridge 209.1 and Culvert. Located in folder 'Sieben'. Other subject categories: Bridge. Initial cataloger's disposition code: Z, File not retained

AFE, Series II, Number 6135, Iron, Montana, August 31, 1917, Remove Helena Power Spur. Located in folder 'Sieben'. Other subject categories: Track. Initial cataloger's disposition code: M, AFE Sheet page 1, with map or other paper

AFE, Series II, Number 54222, Iron, Montana, November 24, 1937, Private Crossing for Patented Mines Company. Located in folder 'Sieben'. Other subject categories: Crossings. Initial cataloger's disposition code: Z, File not retained

AFE, Series II, Number 45476, Iron, Montana, March 22, 1932, Culverts (also Corbin). Located in folder 'Sieben'. Other subject categories: Grading/Ditching/Roads/Culverts. Initial cataloger's disposition code: Z, File not retained

AFE, Series II, Number 36291, Iron, Montana, February 9, 1928, Relay Passing Track with 77 Pound Rail. Located in folder 'Sieben'. Other subject categories: Relay. Initial cataloger's disposition code: M, AFE Sheet page 1, with map or other paper

AFE, Series I, Number 14954, Iron, Montana, March 22, 1905, Helena Power Spur. Located in folder 'Sieben'. Other subject categories: Track. Initial cataloger's disposition code: X, AFE itself not found but referenced in other documents