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
- 1267 more...
- ItemBB015595 - Northern Pacific Engineering Drawing: Detail of Column Reinforcement, Bridge 17 - Greenhorn Gulch, West of Weed, Montana, undated
- ItemBB015596 - Northern Pacific Engineering Drawing: Detail Longitudinal Strut Rein, Bridge 17 - Greenhorn Gulch, West of Weed, Montana, undated
- ItemBB015597 - Northern Pacific Engineering Drawing: Detail of Longitudinal Brace, Bridge 17 - Greenhorn Gulch, West of Weed, Montana, undated
- ItemBB015598 - Northern Pacific Engineering Drawing: Detail of Longitudinal Brace, Bridge 17 - Greenhorn Gulch, West of Weed, Montana, undated
- ItemBB015599 - Northern Pacific Engineering Drawing: Detail of Brace/Strut, Bridge 17 - Greenhorn Gulch, West of Weed, Montana, undated
- ItemBB015600 - Northern Pacific Engineering Drawing: Detail of Transverse Brace, Bridge 17 - Greenhorn Gulch, West of Weed, Montana, undated
- ItemBB015601 - Northern Pacific Engineering Drawing: Detail of Cap Plates, Bridge 17 - Greenhorn Gulch, West of Weed, Montana, undated
- ItemBB015602 - Northern Pacific Engineering Drawing: Detail of Deck Slabs, Bridge 17 - Greenhorn Gulch, West of Weed, Montana, undated
- ItemBB015603 - Northern Pacific Engineering Drawing: Detail of Deck Slabs, Bridge 17 - Greenhorn Gulch, West of Weed, Montana, undated
- 6452 more...