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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- ItemBB024507 - Great Northern Engineering Drawing: Shop Plan - Beams, Bridge 63.2 - Highway Underpass, West of Lupfer, Montana, undated
- ItemBB024508 - Great Northern Engineering Drawing: Shop Plan - Plates and Walk, Bridge 63.2 - Highway Underpass, West of Lupfer, Montana, undated
- ItemBB024509 - Great Northern Engineering Drawing: Shop Plan - Girders, Bridge 70 - Serpentine River, North of Crescent Beach, British Columbia, undated
- ItemBB024510 - Great Northern Engineering Drawing: Shop Plan - Girders, Bridge 70 - Serpentine River, North of Crescent Beach, British Columbia, undated
- ItemBB024511 - Great Northern Engineering Drawing: Shop Plan - Girders, Bridge 70 - Serpentine River, North of Crescent Beach, British Columbia, undated
- ItemBB024512 - Great Northern Engineering Drawing: Shop Plan - Laterals, Bridge 70 - Serpentine River, North of Crescent Beach, British Columbia, undated
- ItemBB024513 - Great Northern Engineering Drawing: Shop Plan - Laterals, Bridge 70 - Serpentine River, North of Crescent Beach, British Columbia, undated
- ItemBB024514 - Great Northern Engineering Drawing: Shop Plan - Laterals and Cross, Bridge 70 - Serpentine River, North of Crescent Beach, British Columbia, undated
- ItemBB024515 - Great Northern Engineering Drawing: Shop Plan - Girder and Bracket, Bridge 70 - Serpentine River, North of Crescent Beach, British Columbia, undated
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