Reference | {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:: LUDDEN, R.B., 1961, PREPORT ON GEOLOGIC RECONNAISSANCE IN CABO ROJO AND SAN GERMAN-SABANA GRANDE PERMITE AREA, PUERTO RICO: PHELPHS DODGE PRIVATE REPORT ON FILE AT THE DEPARTMENT OF NATURAL RECOURSES, PUERTO RICO.} |