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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- ItemBB024523 - Great Northern Engineering Drawing: Shop Plan - General Plan, Bridge 70 - Serpentine River, North of Crescent Beach, British Columbia, undated
- ItemBB024524 - Great Northern Engineering Drawing: Shop Plan - General Plan, Bridge 70 - Serpentine River, North of Crescent Beach, British Columbia, undated
- ItemBB024525 - Great Northern Engineering Drawing: Shop Plan - General Plan, Bridge 70 - Serpentine River, North of Crescent Beach, British Columbia, undated
- ItemBB024526 - Great Northern Engineering Drawing: Shop Plan - General Plan, Bridge 70 - Serpentine River, North of Crescent Beach, British Columbia, undated
- ItemBB024527 - Great Northern Engineering Drawing: General Plan, Bridge 38.1 - Chelan River, North of Chelan Falls, Washington, 1938
- ItemBB024528 - Great Northern Engineering Drawing: Piers Number 6 and 8, Bridge 38.1 - Chelan River, North of Chelan Falls, Washington, undated
- ItemBB024529 - Great Northern Engineering Drawing: Piers Number 5 and 7, Bridge 38.1 - Chelan River, North of Chelan Falls, Washington, undated
- ItemBB024530 - Great Northern Engineering Drawing: Timber Approach Span, Bridge 38.1 - Chelan River, North of Chelan Falls, Washington, undated
- ItemBB024531 - Great Northern Engineering Drawing: Deck Plan, Bridge 38.1 - Chelan River, North of Chelan Falls, Washington, 1938
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