Engineering & TechnologyPrinciples of mining; valuation, organization and administration; copper, gold, lead, silver, tin and zincHerbert Hoover![Principles of mining; valuation, organization and administration; copper, gold, lead, silver, tin and zinc]()
Principles of mining; valuation, organization and administration; copper, gold, lead, silver, tin and zinc
Herbert Hoover
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“Principles of mining; valuation, organization and administration; copper, gold, lead, silver, tin and zinc” by Herbert Hoover: a public-domain book in…
Catalogue details
- Author
- Herbert Hoover
- Category
- Engineering & Technology
- Language
- English
- Source
- HathiTrust