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
- 4701 more...
- ItemBB019523 - Northern Pacific Engineering Drawing: Shop Plan - Beam/Bolt, Bridge 118 - Van Buren Street, Missoula, Montana, undated
- ItemBB019524 - Northern Pacific Engineering Drawing: Shop Plan - General Detail, Bridge 118 - Van Buren Street, Missoula, Montana, undated
- ItemBB019525 - Northern Pacific Engineering Drawing: Shop Plan - General Detail, Bridge 118 - Van Buren Street, Missoula, Montana, undated
- 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
- 3018 more...