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
- 162 more...
- ItemBB021087 - Great Northern Engineering Drawing: Safety Walk, Bridge 267, Deer Creek, West of Sprole, Montana, undated
- ItemBB021088 - Great Northern Engineering Drawing: General Plan, Bridge 398 - Private Underpass, West of Tampico, Montana, 1917
- ItemBB021089 - Great Northern Engineering Drawing: Safety Walk, Bridge 398 - Private Underpass, West of Tampico, Montana, undated
- ItemBB021090 - Great Northern Engineering Drawing: General Plan, Bridge 1, West of Havre, Montana, 1917
- ItemBB021091 - Great Northern Engineering Drawing: Safety Walk, Bridge 1, West of Havre, Montana, undated
- ItemBB021092 - Great Northern Engineering Drawing: General Plan, Bridge 29 - County Road, North of Hesper, Montana, 1942
- ItemBB021093 - Great Northern Engineering Drawing: Shop Plan - 28 Foot Beam, Bridge 29 - County Road, North of Hesper, Montana, undated
- ItemBB021094 - Great Northern Engineering Drawing: Shop Plan - 32 Foot Beam, Bridge 29 - County Road, North of Hesper, Montana, undated
- ItemBB021095 - Great Northern Engineering Drawing: Masonry Plan, Bridge 29 - County Road, North of Hesper, Montana, undated
- 3830 more...