Engineering & TechnologyMilling methods and costs at the Superior concentrator of the Engels Copper Mining Co., Plumas County, CalifW. I Nelson![Milling methods and costs at the Superior concentrator of the Engels Copper Mining Co., Plumas County, Calif]()
Milling methods and costs at the Superior concentrator of the Engels Copper Mining Co., Plumas County, Calif
W. I Nelson
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“Milling methods and costs at the Superior concentrator of the Engels Copper Mining Co., Plumas County, Calif” by W. I Nelson: a public-domain book in…
Catalogue details
- Author
- W. I Nelson
- Category
- Engineering & Technology
- Language
- English
- Source
- HathiTrust