Plat Map of Great Northern facilities at Mammoth, California, January 1, 1932, Sheet Number 1, Line Segment 55, showing the Klamath Falls-Keddie line.
Plat Map of Great Northern facilities at Mammoth, California, January 1, 1932, Sheet Number 2, Line Segment 55, showing the Klamath Falls-Keddie line.
AFE 89148, Stronghold, California, 1957. Relay 10.0 Miles with New 115# Rail, Replacing 90#, From Milepost 31.4 to Milepost 41.4, Etc. 1957 Relay Program. Interstate Commerce Commission Account Number 9, Rails. Cost: $397388. Series A. Lines West. Other Subject Categories: Track Maintenance, Rail
AFE 32215, Mammoth, California, 1941. Agreement Between Great Northern and Klamath Concrete Pipe Co Coveing Track 4 Miles South of Mammoth - Afe 61836. Interstate Commerce Commission Account Number 12 Track Laying and Surfacing Cost: $310. Series A. Lines West. Other Subject Categories: ,
Great Northern Blueprint Number 1216-24-10, map of Spur and "Y" 2 1/2 Miles North of Mammoth, 1939. Other subject categories: Filing Map
Great Northern Blueprint Number 1216-24-8, map of Spur and "Y" 2 1/2 Miles North of Mammoth, 1934. Other subject categories: Filing Map
AFE, Series II, Number 71118, Mammoth, California, July 7, 1945, Extend Passing Track. Located in folder 'Stronghold'. Other subject categories: Track. Initial cataloger's disposition code: M, AFE Sheet page 1, with map or other paper
AFE, Series II, Number 63410, Mammoth, California, January 24, 1942, Retire Test Wells. Located in folder 'Stronghold'. Other subject categories: Water. Initial cataloger's disposition code: Z, File not retained
AFE, Series II, Number 61836, Mammoth, California, July 8, 1941, Klamath Concrete Pipe Spur. Located in folder 'Stronghold'. Other subject categories: Track. Initial cataloger's disposition code: M, AFE Sheet page 1, with map or other paper
AFE, Series II, Number 57448, Mammoth, California, September 18, 1939, Tel Booth and Equipment from Bend. Located in folder 'Stronghold'. Other subject categories: Communications. Initial cataloger's disposition code: Z, File not retained