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
- 1681 more...
- ItemStruc007408 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, undated
- ItemStruc007409 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, undated
- ItemStruc007410 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, 1979
- ItemStruc007411 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, 1979
- ItemStruc007412 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, 1979
- ItemStruc007413 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, 1978
- ItemStruc007414 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, 1979
- ItemStruc007415 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, 1979
- ItemStruc007416 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, 1979
- 401 more...