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
- 3515 more...
- ItemBB018101 - Northern Pacific Engineering Drawing: Trough Floor, Bridge 0.2 - Howard Street, Spokane, Washington, undated
- ItemBB018102 - Northern Pacific Engineering Drawing: Shop Plan - Trough Floor, Bridge 0.2 - Howard Street, Spokane, Washington, undated
- ItemBB018103 - Northern Pacific Engineering Drawing: Shop Plan - Trough Floor, Bridge 0.2 - Howard Street, Spokane, Washington, undated
- ItemBB018104 - Northern Pacific Engineering Drawing: General Plan/2nd/Maple, Bridge 0.12 - Maple Street, Spokane, Washington, 1915
- ItemBB018105 - Northern Pacific Engineering Drawing: East Abutment, Bridge 0.12 - Maple Street, Spokane, Washington, undated
- ItemBB018106 - Northern Pacific Engineering Drawing: Masonry Details, Bridge 0.12 - Maple Street, Spokane, Washington, undated
- ItemBB018107 - Northern Pacific Engineering Drawing: Layout, Bridge 0.12 - Maple Street, Spokane, Washington, undated
- ItemBB018108 - Northern Pacific Engineering Drawing: General Detail of Steel, Bridge 0.12 - Maple Street, Spokane, Washington, undated
- ItemBB018109 - Northern Pacific Engineering Drawing: Bearing Details, Bridge 0.12 - Maple Street, Spokane, Washington, undated
- 4204 more...