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Telluride ores of Boulder County, Colorado / [by] William C. Kelly [and] Edwin N. Goddard. - [Boulder] : Geological Society of America, 1969. - Geological Society of America. Memoir ; 109 . - Memoir (Geological Society of America) ; 109. .

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Tellurium ores -- Colorado -- Boulder County--Tellurium ores -- Colorado -- Boulder County--Tellurium ores -- Colorado -- Boulder County
Ore deposits -- Colorado -- Boulder County--Ore deposits -- Colorado -- Boulder County--Ore deposits -- Colorado -- Boulder County
Mineralogy -- Colorado -- Boulder County--Mineralogy -- Colorado -- Boulder County--Mineralogy -- Colorado -- Boulder County

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