Reference | {Deposit:: FLEGE, R. F., 1959, GEOLOGY OF LORDSBURG QUADRANGLE, HIDALGO COUNTY, NEW MEXICO: NEW MEXICO BUREAU MINES AND MINERAL RES. BULL. 62, P 29-31}{Deposit:: JASTER, M. C., 1956, PERLITE RESOURCES OF THE UNITED STATES: U.S. GEOL. BULL. 1027-I, P. 375-404} |