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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- ItemBB024535 - Great Northern Engineering Drawing: Falsework Plan, Bridge 38.1 - Chelan River, North of Chelan Falls, Washington, undated
- ItemBB024536 - Great Northern Engineering Drawing: Repairs 120 Truss Span, Bridge 38.1 - Chelan River, North of Chelan Falls, Washington, undated
- ItemBB024537 - Great Northern Engineering Drawing: Telegraph Brackets, Bridge 38.1 - Chelan River, North of Chelan Falls, Washington, undated
- ItemBB024538 - Great Northern Engineering Drawing: Bank Protection, Bridge 38.1 - Chelan River, North of Chelan Falls, Washington, undated
- ItemBB024539 - Great Northern Engineering Drawing: Deck Plan, Bridge 38.1 - Chelan River, North of Chelan Falls, Washington, 1968
- ItemBB024540 - Great Northern Engineering Drawing: Deck Plan, Bridge 38.1 - Chelan River, North of Chelan Falls, Washington, 1968
- ItemBB024541 - Great Northern Engineering Drawing: Shop Plan - Beam Span Bracket, Bridge 315 - Coal Creek, West of Lamona, Washington, undated
- ItemBB024542 - Great Northern Engineering Drawing: Shop Plan - Beam Span Bracket, Bridge 315 - Coal Creek, West of Lamona, Washington, undated
- ItemBB024543 - Great Northern Engineering Drawing: Shop Plan - Beam Span Bracket, Bridge 315 - Coal Creek, West of Lamona, Washington, undated
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