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
- 4678 more...
- ItemBB019419 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 39 - Umatilla River, Union Pacific Connection, Washington, undated
- ItemBB019420 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 39 - Umatilla River, Union Pacific Connection, Washington, undated
- ItemBB019421 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 39 - Umatilla River, Union Pacific Connection, Washington, undated
- ItemBB019422 - Northern Pacific Engineering Drawing: Reinforcement, Bridge 69 - Napa Street, Spokane, Washington, undated
- ItemBB019423 - Northern Pacific Engineering Drawing: Details of New Deck, Bridge 69 - Napa Street, Spokane, Washington, undated
- ItemBB019505 - Northern Pacific Engineering Drawing: General Layout, Bridge 118 - Van Buren Street, Missoula, Montana, undated
- ItemBB019506 - Northern Pacific Engineering Drawing: General Plan, Bridge 118 - Van Buren Street, Missoula, Montana, 1963
- ItemBB019507 - Northern Pacific Engineering Drawing: Abutments 1/3, Bridge 118 - Van Buren Street, Missoula, Montana, undated
- ItemBB019508 - Northern Pacific Engineering Drawing: Northwest Wingwall, Bridge 118 - Van Buren Street, Missoula, Montana, undated
- 3041 more...