Silver yield from copper ores and the effects of 64.64-cent silver on the value of copper ores produced in the United States
Elmer Walter Pehrson
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“Silver yield from copper ores and the effects of 64.64-cent silver on the value of copper ores produced in the United States” by Elmer Walter Pehrson: a…
Catalogue details
- Author
- Elmer Walter Pehrson
- Category
- General & Other
- Language
- English
- Source
- HathiTrust