| Reference | {Geology:: DAUGHERTY, FRANK W., 1982, FLUORSPAR DEPOSITS OF CHRISTMAS}{Geology:: MOUNTAINS DISTRICT, BREWSTER COUNTY, TEXAS (PROCEEDINGS OF}{Geology:: THE 17TH ANNUAL FORUM ON THE GEOLOGY OF INDUSTRIAL MIN-}{Geology:: ERALS, MAY 13-15, 1981, ALBUQUERQUE, NEW MEXICO) IN IND-}{Geology:: USTRIAL ROCKS AND MINERALS OF THE SOUTHWEST: NEW MEXICO}{Geology:: BUREAU OF MINES AND MINERAL RESOURCES CIRCULAR 182,}{Geology:: SOCORRO, NEW MEXICO, 111 P.} |