| Reference | {Deposit:: HILDEBRAND, F. A., AND SMITH, R. J., 1959 , OCCURRENCES OF ALUNITE, PYROPHYLLITE, AND CLAYS IN THE CERRO LA TIZA AREA, PUERTO RICO: USGS OPEN-FILE REPT. 469 , 82 P.}{Deposit:: HILDEBRAND, F. A., 1961 , HYDROTHERMALLY ALTERED ROCKS IN EASTERN PUERTO RICO: USGS PROF. PAPER 424 -B, P. 219 - 221}{Deposit:: COX, DENNIS P., AND BRIGGS, REGINALD P., 1973, METALLOGENIC MAP OF PUERTO RICO: U.S. GEOLOGICAL SURVEY, MISCELLANEOUS GEOLOGIC INVESTIGATIONS MAP I-721, ACCOMPANIED BY EXPLANATORY PAMPHLET, 6 P.}{Deposit:: SOLOMIAC, HENRI, 1972, 1972 ANNUAL OPERATORS REPORT, PUERTO RICO: PARNASSE COMPANY PRIVATE REPORT ON FILE AT THE DEPARTMENT OF NATURAL RESOURCES, PUERTO RICO.}{Deposit:: HILDEBRAND, F. A., 1960, ZONES OF HYDROTHERMALLY ALTERED ROCKS IN EASTERN PUERTO RICO: CARIBBEAN GEOL. CONF., 2D, MAYAGUEZ, PUERTO RICO, 1959, TRANS., P. 130-136.}{Deposit:: PEASE, M. H., JR., AND BRIGGS, R. P., 1960, GEOLOGY OF THE COMERIO QUADRANGLE, PUERTO RICO: U.S. GEOLOGICAL SURVEY MISC. GEOL. INV. MAP I-320.}{Deposit:: 194? DIREXPL UNKNOWN PROSPECTORS}{Deposit:: 1952 GEOLMAP F. A. HILDEBRAND AND R. J. SMITH: OPEN-FILE REPT. NO. 469}{Production:: HILDEBRAND, F. A., AND SMITH, R. J., 1959 , USGS OPEN-FILE REPT. 469 , 82 P.} |