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 3009 - Railroads - Electrification
- ItemStruc003232 - Great Northern Engineering Drawing, Converter Substation at Wenatchee, Washington, 1928
- ItemStruc003233 - Great Northern Engineering Drawing, Converter Substation at Wenatchee, Washington, 1928
- ItemStruc003234 - Great Northern Engineering Drawing, Converter Substation at Wenatchee, Washington, 1928
- ItemStruc003235 - Great Northern Engineering Drawing, Converter Substation at Wenatchee, Washington, 1928
- ItemStruc003236 - Great Northern Engineering Drawing, Converter Substation at Wenatchee, Washington, 1928
- 30 more...