Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3001 - Bridges
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- ItemBB024490 - Great Northern Engineering Drawing: Bar Details, Bridge 137.2 - U.S. Highway 2, Belton, Montana, undated
- ItemBB024491 - Great Northern Engineering Drawing: Superstructure, Bridge 137.2 - U.S. Highway 2, Belton, Montana, undated
- ItemBB024492 - Great Northern Engineering Drawing: Deck Plan, Bridge 137.2 - U.S. Highway 2, Belton, Montana, undated
- ItemBB024493 - Great Northern Engineering Drawing: Temporary Trestle, Bridge 137.2 - U.S. Highway 2, Belton, Montana, undated
- ItemBB024494 - Great Northern Engineering Drawing: Track Profile and Layout, Bridge 137.2 - U.S. Highway 2, Belton, Montana, undated
- ItemBB024495 - Great Northern Engineering Drawing: Shop Plan, Bridge 137.2 - U.S. Highway 2, Belton, Montana, undated
- ItemBB024496 - Great Northern Engineering Drawing: Main Line Track - Deck Plan, Bridge 137.2 - U.S. Highway 2, Belton, Montana, undated
- ItemBB024497 - Great Northern Engineering Drawing: Proposed Underpass, Bridge 63.2 - Highway Underpass, West of Lupfer, Montana, undated
- ItemBB024498 - Great Northern Engineering Drawing: General Layout, Bridge 63.2 - Highway Underpass, West of Lupfer, Montana, 1936
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