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
- 1670 more...
- ItemStruc007397 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, 1979
- ItemStruc007398 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, undated
- ItemStruc007399 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, undated
- ItemStruc007400 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, undated
- ItemStruc007401 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, undated
- ItemStruc007402 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, undated
- ItemStruc007403 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, 1979
- ItemStruc007404 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, 1979
- ItemStruc007405 - Great Northern Engineering Drawing, Wastewater Treatment Facility at Havre, Montana, undated
- 3 more...