Reference | {Deposit:: PICKARD, G. W., 1974, GEOLOGY OF MEXICAN FLUORSPAR DEPOSITS, IN A SYMPOSIUM ON THE GEOLOGY OF FLUORSPAR: KY. GEOL. SURV. SPECIAL PUB. 22 P 23 - 30}{Deposit:: VAN ALSTINE, R. E., 1963, INVESTIGATION OF THE PRINCIPAL FLUORSPAR DISTRICTS OF MEXICO: USGS REPORT - OPEN FILE SERIES NO. 688, P. 28 - 29}{Deposit:: MINERAL TRADE NOTES, 1974, FLUORSPAR, MEXICO, JAN. 1974 VOL. 71, NO. 1, P. 6} |