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
- 794 more...
- ItemStruc006875 - Northern Pacific Engineering Drawing, Soil Can Cleaning Building at Helena, Montana, 1948
- ItemStruc006876 - Northern Pacific Engineering Drawing, Soil Can Cleaning Building at Missoula, Montana, 1959
- ItemStruc006877 - Northern Pacific Engineering Drawing, Soil Can Cleaning Building at Missoula, Montana, 1950
- ItemStruc006878 - Northern Pacific Engineering Drawing, Soil Can Cleaning Building at Missoula, Montana, 1948
- ItemStruc006879 - Northern Pacific Engineering Drawing, Soil Can Cleaning Building (Standard Plan), 1950
- ItemStruc006880 - Northern Pacific Engineering Drawing, Propane Gas Facilities, King Street Coach Yard at Seattle, Washington, 1949
- ItemStruc006881 - Northern Pacific Engineering Drawing, Propane Gas Facilities, King Street Station Yard at Seattle, Washington, 1949
- ItemStruc006882 - Northern Pacific Engineering Drawing, Propane Gas Facilities, King Street Station Yard at Seattle, Washington, 1948
- ItemStruc006883 - Northern Pacific Engineering Drawing, Propane Gas Facilities, King Street Station Yard at Seattle, Washington, 1949
- 508 more...