1.
Pioneer Colorado Minerals - Jesse Summers Randall and His Minerals of Colorado Catalogs : 18...
by Jacobson, Mark Ivan
ISBN: 9780963529633
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Pioneer Colorado Minerals - the Colorado Mineral Catalogues of the Hayden Survey - Frederic ...
by Jacobson, Mark Ivan, Murphy...
ISBN: 9780963529640
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Gems of Hiddenite, North Carolina : Mining History, Geology and Mineralogy
by Jacobson, Mark Ivan, Speer,...
ISBN: 9781476684697
List Price: $39.95