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
- 3547 more...
- ItemBB018133 - Northern Pacific Engineering Drawing: Lighting Details, Bridge 0.12 - Maple Street, Spokane, Washington, undated
- ItemBB018134 - Northern Pacific Engineering Drawing: Platform Proposed Curve, Bridge 0.12 - Maple Street, Spokane, Washington, undated
- ItemBB018135 - Northern Pacific Engineering Drawing: Location Plan, Bridge 1 - 3rd Avenue, Spokane, Washington, undated
- ItemBB018136 - Northern Pacific Engineering Drawing: General Plan - 3rd Ave, Bridge 1 - 3rd Avenue, Spokane, Washington, 1915
- ItemBB018137 - Northern Pacific Engineering Drawing: Shop Plan - Columns, Bridge 1 - 3rd Avenue, Spokane, Washington, undated
- ItemBB018138 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 1 - 3rd Avenue, Spokane, Washington, undated
- ItemBB018139 - Northern Pacific Engineering Drawing: Shop Plan - Trough Floor, Bridge 1 - 3rd Avenue, Spokane, Washington, undated
- ItemBB018140 - Northern Pacific Engineering Drawing: Shop Plan - Track Floor Section, Bridge 1 - 3rd Avenue, Spokane, Washington, undated
- ItemBB018141 - Northern Pacific Engineering Drawing: Shop Plan - Trough Floor, Bridge 1 - 3rd Avenue, Spokane, Washington, undated
- 4172 more...