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
- 1408 more...
- ItemBB015740 - Northern Pacific Engineering Drawing: Shop Plan - General Plan, Bridge 3 - Church Street Overpass, Sandpoint, Idaho, undated
- ItemBB015741 - Northern Pacific Engineering Drawing: Shop Plan - General Plan, Bridge 3 - Church Street Overpass, Sandpoint, Idaho, undated
- ItemBB015742 - Northern Pacific Engineering Drawing: Shop Plan - General Plan, Bridge 3 - Church Street Overpass, Sandpoint, Idaho, undated
- ItemBB015803 - Northern Pacific Engineering Drawing: General Plan, Bridge 127 - Highway, West of De Smet, Montana, 1933
- ItemBB015804 - Northern Pacific Engineering Drawing: Steel Beam Spans, Bridge 127 - Highway, West of De Smet, Montana, undated
- ItemBB015805 - Northern Pacific Engineering Drawing: Pile Piers and Abutments, Bridge 127 - Highway, West of De Smet, Montana, undated
- ItemBB015806 - Northern Pacific Engineering Drawing: Temporary Pile Bridge, Bridge 127 - Highway, West of De Smet, Montana, undated
- ItemBB015807 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 127 - Highway, West of De Smet, Montana, undated
- ItemBB015808 - Northern Pacific Engineering Drawing: General Plan, Bridge 127 - Highway, West of De Smet, Montana, undated
- 6311 more...