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
- 5045 more...
- ItemBB019945 - Northern Pacific Engineering Drawing: Post Falls Underpass, Bridge 4 - Highway, South of Grand Junction, Idaho, undated
- ItemBB019946 - Northern Pacific Engineering Drawing: Shop Plan - Erection Diagram, Bridge 4 - Highway, South of Grand Junction, Idaho, undated
- ItemBB019947 - Northern Pacific Engineering Drawing: Shop Plan - Shoes - Bolts, Bridge 4 - Highway, South of Grand Junction, Idaho, undated
- ItemBB019948 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 4 - Highway, South of Grand Junction, Idaho, undated
- ItemBB019949 - Northern Pacific Engineering Drawing: Shop Plan - Girders and Braces, Bridge 4 - Highway, South of Grand Junction, Idaho, undated
- ItemBB019950 - Northern Pacific Engineering Drawing: Shop Plan - Floor Plate and Beams, Bridge 4 - Highway, South of Grand Junction, Idaho, undated
- ItemBB019951 - Northern Pacific Engineering Drawing: Shop Plan - Flash Plates, Bridge 4 - Highway, South of Grand Junction, Idaho, undated
- ItemBB019952 - Northern Pacific Engineering Drawing: Shop Plan - General Plan, Bridge 4 - Highway, South of Grand Junction, Idaho, undated
- ItemBB019953 - Northern Pacific Engineering Drawing: Proposed Reflecting Signs, Bridge 4 - Highway, South of Grand Junction, Idaho, undated
- 2674 more...