Portland Mining Company.
Archival Resources
| Role | Title | Holding Repository | |
|---|---|---|---|
| creatorOf | Portland Mining Company. Records, 1912-1947. | University of Idaho Library |
Bibliographic and Digital Archival Resources
| Role | Title | Holding Repository |
|---|
Filters:
| Relation | Name |
|---|
| Place Name | Admin Code | Country | |
|---|---|---|---|
| Idaho--Coeur d'Alene Mining District |
| Subject |
|---|
| Lead mines and mining |
| Mining corporations |
| Silver mines and mining |
| Occupation |
|---|
| Activity |
|---|
Corporate Body
Active 1912
Active 1947
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