Railroad Archives Online
- CollectionE0045 - Great Northern Railway Authority for Expenditure Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1002 - Authorization for Expenditure
- 16906 more...
- Item315409 - Great Northern Railway Authorization for Expenditure (AFE) 54493, Flint Gravel Pit, Minnesota, 1938.
- Item315410 - Great Northern Railway Authorization for Expenditure (AFE) 55481, Flint Gravel Pit, Minnesota, 1938.
- Item315411 - Great Northern Railway Authorization for Expenditure (AFE) 59694, Flint Gravel Pit, Minnesota, 1940.
- Item315412 - Great Northern Railway Authorization for Expenditure (AFE) 61619, Flint Gravel Pit, Minnesota, 1941.
- Item315413 - Great Northern Railway Authorization for Expenditure (AFE) 62694, Flint Gravel Pit, Minnesota, 1941.
- Item315414 - Great Northern Railway Authorization for Expenditure (AFE) 62871, Flint Gravel Pit, Minnesota, 1941.
- Item315415 - Great Northern Railway Authorization for Expenditure (AFE) 62871, Flint Gravel Pit, Minnesota, 1941.
- Item315416 - Great Northern Railway Authorization for Expenditure (AFE) 64604, Flint Gravel Pit, Minnesota, 1942.
- Item315417 - Great Northern Railway Authorization for Expenditure (AFE) 67161, Flint Gravel Pit, Minnesota, 1943.
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