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bituminous coal - Bronco Mine, Emery County, Utah - hand/display specimen
$ 9.50
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conglomerate derived from the Franciscan-Knoxville sequence - hand/display specimen
$ 10.50
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graywacke - teaching hand/display specimen of an Upper Cretaceous graywacke from the Sites Formation
$ 7.50
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limestone - teaching hand specimen of a dark gray Lower Paleozoic limestone from the Darwin Hills, Calif.
$ 7.50
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