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
- 167 more...
- 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
- ItemBB021097 - Great Northern Engineering Drawing: General Plan, Bridge 178 - Careless Creek, North of Franklin, Montana, 1942
- ItemBB021098 - Great Northern Engineering Drawing: General Plan, Bridge 178 - Careless Creek, North of Franklin, Montana, 1955
- ItemBB021099 - Great Northern Engineering Drawing: Masonry Plan, Bridge 178 - Careless Creek, North of Franklin, Montana, undated
- ItemBB021100 - Great Northern Engineering Drawing: Deck Plan, Bridge 178 - Careless Creek, North of Franklin, Montana, 1955
- ItemBB021101 - Great Northern Engineering Drawing: Shop Plan - Beam Span, Bridge 178 - Careless Creek, North of Franklin, Montana, undated
- 3825 more...