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
- 3636 more...
- ItemBB018238 - Northern Pacific Engineering Drawing: Special Manhole/Telegraph Conduit System, Bridge 0.1 - Stevens Street, Spokane, Washington, undated
- ItemBB018239 - Northern Pacific Engineering Drawing: General Plan/Wall Street, Bridge 0.3 - Wall Street, Spokane, Washington, undated
- ItemBB018240 - Northern Pacific Engineering Drawing: Detail of Floor Slabs, Bridge 0.3 - Wall Street, Spokane, Washington, undated
- ItemBB018241 - Northern Pacific Engineering Drawing: Columns/Cross Girder, Bridge 0.3 - Wall Street, Spokane, Washington, undated
- ItemBB018242 - Northern Pacific Engineering Drawing: General Plan/Post Street, Bridge 0.4 - Post Street, Spokane, Washington, 1915
- ItemBB018243 - Northern Pacific Engineering Drawing: Columns/Cross Girder, Bridge 0.4 - Post Street, Spokane, Washington, undated
- ItemBB018244 - Northern Pacific Engineering Drawing: General Plan/Link Street, Bridge 0.5 - Lincoln Street, Spokane, Washington, 1915
- ItemBB018245 - Northern Pacific Engineering Drawing: Columns/Cross Girder, Bridge 0.5 - Lincoln Street, Spokane, Washington, undated
- ItemBB018246 - Northern Pacific Engineering Drawing: General Plan/Monroe Street, Bridge 0.6 - Monroe Street, Spokane, Washington, 1915
- 4083 more...