Helena Power Transmission Company
Archival Resources
| Role | Title | Holding Repository | |
|---|---|---|---|
| referencedIn | Montana Power Company Records, 1892-1967 | Maureen and Mike Mansfield Library Archives and Special Collections |
Bibliographic and Digital Archival Resources
| Role | Title | Holding Repository |
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| Relation | Name | |
|---|---|---|
| associatedWith | Montana Power Company | corporateBody |
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