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
- 5035 more...
- ItemBB019935 - Northern Pacific Engineering Drawing: Post Falls Underpass, Bridge 4 - Highway, South of Grand Junction, Idaho, undated
- ItemBB019936 - Northern Pacific Engineering Drawing: Post Falls Underpass, Bridge 4 - Highway, South of Grand Junction, Idaho, undated
- ItemBB019937 - Northern Pacific Engineering Drawing: Post Falls Underpass, Bridge 4 - Highway, South of Grand Junction, Idaho, undated
- ItemBB019938 - Northern Pacific Engineering Drawing: Post Falls Underpass, Bridge 4 - Highway, South of Grand Junction, Idaho, undated
- ItemBB019939 - Northern Pacific Engineering Drawing: Post Falls Underpass, Bridge 4 - Highway, South of Grand Junction, Idaho, undated
- ItemBB019940 - Northern Pacific Engineering Drawing: Post Falls Underpass, Bridge 4 - Highway, South of Grand Junction, Idaho, undated
- ItemBB019941 - Northern Pacific Engineering Drawing: Post Falls Underpass, Bridge 4 - Highway, South of Grand Junction, Idaho, undated
- ItemBB019942 - Northern Pacific Engineering Drawing: Post Falls Underpass, Bridge 4 - Highway, South of Grand Junction, Idaho, undated
- ItemBB019943 - Northern Pacific Engineering Drawing: Post Falls Underpass, Bridge 4 - Highway, South of Grand Junction, Idaho, undated
- 2684 more...