Colorado's Mrs. Captain Ellen Jack : Mining Queen of the Rockies
Jane Bardal
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Butte: an Unfinished Story : Wedgwood, Darwin, Ryerson, Hawkesworth - Related Men of Genius
Montel Hawkesworth Menting
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The Metal Detecting Handbook : The Ultimate Beginner's Guide to Uncovering History, Adventure, and Treasure
Mark Smith
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The New Eldorado : The Story of Colorado's Gold and Silver Rushes
Phyllis Flanders Dorset
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The New Eldorado : The Story of Colorado's Gold and Silver Rushes
Phyllis Flanders Dorset
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Grants Mining Districts of the Western United States : Volume 1
Jerry Grant
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Grants Mining Districts of the Western United States : Volume 2
Jerry Grant
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Riesgos Y Peligros : Exploraciones Geologicas Para La Mineria En Gran Altura Geografica
Helvio Soto Salles
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Death in the Mines : Disasters and Rescues in the Anthracite Coal Fields of Pennsylvania
John Stuart Richards
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Quicksilver Mining in Sonoma County : Pine Flat Prospect Fever
Joe Pelanconi
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The Land-Water-Energy Nexus : Biophysical and Economic Consequences
Organisation for Economic Co-Operation and Development (OECD)
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