Railroad Archives Online
- CollectionE0045 - Great Northern Railway Authority for Expenditure Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1002 - Authorization for Expenditure
- 93388 more...
- Item426354 - Great Northern Railway Authorization for Expenditure (AFE) 50843, Montana, 1936.
- Item426355 - Great Northern Railway Authorization for Expenditure (AFE) 55938, Spion Kop, Montana, 1938.
- Item426356 - Great Northern Railway Authorization for Expenditure (AFE) 56511, Spion Kop, Montana, 1939.
- Item426357 - Great Northern Railway Authorization for Expenditure (AFE) 57079, Spion Kop, Montana, 1939.
- Item426358 - Great Northern Railway Authorization for Expenditure (AFE) 61952, Spion Kop, Montana, 1941.
- Item426359 - Great Northern Railway Authorization for Expenditure (AFE) 74309, Spion Kop, Montana, 1947.
- Item426360 - Great Northern Railway Authorization for Expenditure (AFE) 85686, Spion Kop, Montana, 1954.
- Item426361 - Great Northern Railway Authorization for Expenditure (AFE) 60, Spion Kop, Montana, 1959.
- Item426362 - Great Northern Railway Authorization for Expenditure (AFE) 60.0186, Spion Kop, Montana, 1960.
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