Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3003 - Maintenance Facilities
- 1010 more...
- ItemStruc002860 - Great Northern Engineering Drawing, Power House at Great Falls, Montana, 1931
- ItemStruc002861 - Great Northern Engineering Drawing, Power House at Great Falls, Montana, 1931
- ItemStruc002862 - Great Northern Engineering Drawing, Power House at Great Falls, Montana, 1931
- ItemStruc002863 - Great Northern Engineering Drawing, Power House at Great Falls, Montana, 1930
- ItemStruc002864 - Great Northern Engineering Drawing, Power House at Great Falls, Montana, 1973
- ItemStruc002865 - Great Northern Engineering Drawing, Power House at Great Falls, Montana, 1973
- ItemStruc002866 - Great Northern Engineering Drawing, Power House at Great Falls, Montana, 1969
- ItemStruc002867 - Great Northern Engineering Drawing, Power House at Great Falls, Montana, 1973
- ItemStruc002871 - Great Northern Engineering Drawing, Engine House at South Klamath, Oregon, 1956
- 1072 more...