Great Northern Filing Map, Mammoth, California, 1934
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
Great Northern Filing Map, Mammoth, California, 1939
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 Railway Authorization for Expenditure (AFE) 32215, Mammoth, California, 1941.
Part of Great Northern Railway Authority for Expenditure Collection
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 Railway Authorization for Expenditure (AFE) 89148, Stronghold, California, 1957.
Part of Great Northern Railway Authority for Expenditure Collection
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