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
- 1691 more...
- ItemStruc007418 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, 1978
- ItemStruc007419 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, undated
- ItemStruc007420 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, 1979
- ItemStruc007421 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, undated
- ItemStruc007422 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, 1978
- ItemStruc007423 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, undated
- ItemStruc007424 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, undated
- ItemStruc007425 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, undated
- ItemStruc007426 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, undated
- 391 more...