Penfield, S. L. (1892). On polybasite and tennantite from the Mollie Gibson Mine in Aspen, Colorado.
Chicago Style CitationPenfield, S. L. On Polybasite and Tennantite From the Mollie Gibson Mine in Aspen, Colorado. 1892.
MLA CitationPenfield, S. L. On Polybasite and Tennantite From the Mollie Gibson Mine in Aspen, Colorado. 1892.
Warning: These citations may not always be 100% accurate.