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 3003 - Maintenance Facilities
- 363 more...
- ItemStruc004833 - Northern Pacific Engineering Drawing, Branch House and Service Station at Spokane, Washington, undated
- ItemStruc004835 - Northern Pacific Engineering Drawing, Branch House and Service Station at Spokane, Washington, 1938
- ItemStruc004836 - Northern Pacific Engineering Drawing, Branch House and Service Station at Spokane, Washington, undated
- ItemStruc004837 - Northern Pacific Engineering Drawing, Branch House and Service Station at Spokane, Washington, 1938
- ItemStruc004838 - Northern Pacific Engineering Drawing, Branch House and Service Station at Spokane, Washington, 1937
- ItemStruc004839 - Northern Pacific Engineering Drawing, Branch House and Service Station at Spokane, Washington, 1938
- ItemStruc004840 - Northern Pacific Engineering Drawing, Branch House and Service Station at Spokane, Washington, 1938
- ItemStruc004841 - Northern Pacific Engineering Drawing, Branch House and Service Station at Spokane, Washington, 1938
- ItemStruc004842 - Northern Pacific Engineering Drawing, Central Heating Plant at Lewiston, Idaho, 1949
- 939 more...