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
- 1747 more...
- ItemStruc007474 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, undated
- ItemStruc007475 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, undated
- ItemStruc007476 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, 1979
- ItemStruc007477 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, undated
- ItemStruc007478 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, 1979
- ItemStruc007479 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, 1979
- ItemStruc007480 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, undated
- ItemStruc007481 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, 1979
- ItemStruc007482 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, 1979
- 335 more...