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
- 1339 more...
- ItemBB015668 - Northern Pacific Engineering Drawing: Shop Plan - Cross Frame, Bridge 7 - Marent Gulch, West of Nagos, Montana, undated
- ItemBB015669 - Northern Pacific Engineering Drawing: Shop Plan - Stringers, Bridge 7 - Marent Gulch, West of Nagos, Montana, undated
- ItemBB015670 - Northern Pacific Engineering Drawing: Shop Plan - Bents, Bridge 7 - Marent Gulch, West of Nagos, Montana, undated
- ItemBB015671 - Northern Pacific Engineering Drawing: General Plan/Falsework, Bridge 0 - Newaukum River, West of Chehalis, Washington, 1926
- ItemBB015672 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 0 - Newaukum River, West of Chehalis, Washington, 1946
- ItemBB015673 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 0 - Newaukum River, West of Chehalis, Washington, 1937
- ItemBB015674 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 5 - Chehalis River, West of Cme Junction, Washington, 1948
- ItemBB015675 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 5 - Chehalis River, West of Cme Junction, Washington, 1937
- ItemBB015676 - Northern Pacific Engineering Drawing: General Plan/Falsework, Bridge 16.1 - Chehalis River, Near Dryad, Washington, undated
- 6380 more...