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Releases by Herbert C Hoover

June 10, 2011 – October 17, 2015

Cover for Herbert C Hoover · Principles of Mining (Paperback Book) (2015)
Paperback Book
Principles of Mining
Herbert C Hoover
Cover for Herbert C Hoover · Principles of Mining - (With index and illustrations)Valuation, Organization and Administration. Copper, Gold, Lead, Silver, Tin and Zinc. (Hardcover Book) (2011)
Hardcover Book
Principles of Mining - (With ind...
Herbert C Hoover