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
- 590 more...
- ItemBB021656 - Great Northern Engineering Drawing: Bar List, Bridge 39.3 - Highway, North of Loon Lake, Washington, undated
- ItemBB021657 - Great Northern Engineering Drawing: Railing Details, Bridge 39.3 - Highway, North of Loon Lake, Washington, undated
- ItemBB021658 - Great Northern Engineering Drawing: Beam Details Span Number 1, Bridge 39.3 - Highway, North of Loon Lake, Washington, undated
- ItemBB021659 - Great Northern Engineering Drawing: Beam Details Span Number 2, Bridge 39.3 - Highway, North of Loon Lake, Washington, undated
- ItemBB021660 - Great Northern Engineering Drawing: Beam Details Span Number 3, Bridge 39.3 - Highway, North of Loon Lake, Washington, undated
- ItemBB021661 - Great Northern Engineering Drawing: Profile and Plan, Bridge 39.3 - Highway, North of Loon Lake, Washington, undated
- ItemBB021662 - Great Northern Engineering Drawing: Shop Plan - Undercrossing, Bridge 39.3 - Highway, North of Loon Lake, Washington, undated
- ItemBB021663 - Great Northern Engineering Drawing: Shop Plan/Undercrossing, Bridge 39.3 - Highway, North of Loon Lake, Washington, undated
- ItemBB021664 - Great Northern Engineering Drawing: Shop Plan/Half Span BB1, Bridge 39.3 - Highway, North of Loon Lake, Washington, undated
- 3402 more...