Engineering & TechnologyMining methods and costs at the Central-Eureka Mine, Amador County, CalifJames Spiers![Mining methods and costs at the Central-Eureka Mine, Amador County, Calif]()
Mining methods and costs at the Central-Eureka Mine, Amador County, Calif
James Spiers
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“Mining methods and costs at the Central-Eureka Mine, Amador County, Calif” by James Spiers: a public-domain book in “Engineering & Technology”, written in…
Catalogue details
- Author
- James Spiers
- Category
- Engineering & Technology
- Language
- English
- Source
- HathiTrust