Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3001 - Bridges
- 4704 more...
- ItemBB019526 - Northern Pacific Engineering Drawing: Shop Plan - Anchor Bolt, Bridge 118 - Van Buren Street, Missoula, Montana, undated
- ItemBB019527 - Northern Pacific Engineering Drawing: Shop Plan - Handrail, Bridge 118 - Van Buren Street, Missoula, Montana, undated
- ItemBB019528 - Northern Pacific Engineering Drawing: General Plan Proposed Crossing, Bridge 32 - Union Pacific Railroad, Athol, Idaho, 1907
- ItemBB019529 - Northern Pacific Engineering Drawing: Plan of Abutments, Bridge 32 - Union Pacific Railroad, Athol, Idaho, undated
- ItemBB019530 - Northern Pacific Engineering Drawing: Deck Plate Girder (DPG) Span for Side, Bridge 32 - Union Pacific Railroad, Athol, Idaho, undated
- ItemBB019531 - Northern Pacific Engineering Drawing: Abutment/Wingwall, Bridge 32 - Union Pacific Railroad, Athol, Idaho, undated
- ItemBB019532 - Northern Pacific Engineering Drawing: Girder Span, Bridge 32 - Union Pacific Railroad, Athol, Idaho, undated
- ItemBB019533 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 32 - Union Pacific Railroad, Athol, Idaho, 1964
- ItemBB019534 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 32 - Union Pacific Railroad, Athol, Idaho, 1957
- 3015 more...