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Herbert Hoover
Principles of Mining: Valuation, Organization and Administration
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Principles of Mining: Valuation, Organization and Administration
by
Herbert Hoover
Language
en
Duration
~6 hours
(378K characters)
Credits
Produced by Robert J. Hall
Publisher of text edition
Project Gutenberg
Subjects
Mines and mineral resources
Mining engineering
Mineral industries — Finance
Content
Audio
Text