Reference | {Deposit:: RECORDS OF THE CORTEZA TERRESTRE (SURFACE MINING PERMITS OFFICE), PUERTO RICO DEPARTMENT OF NATURAL RESOURCES, 1991.}{Deposit:: PEASE, M.H., JR., 1968, GEOLOGIC MAP OF THE AGUAS BUENAS QUADRANGLE, PUERTO RICO: U.S. GEOLOGICAL SURVEY MISCELLANEOUS INVESTIGATIONS MAP I-479, SCALE 1:20,000.} |