Reference | {Deposit:: GLOVER, LYNN, III, 1961, PRELIMINARY GEOLOGIC MAP OF THE SALINAS QUADRANGLE, PUERTO RICO: U.S. GEOLOGICAL SURVEY MISCELLANEOUS INVESTIGATIONS MAP I-337, SCALE 1:20,000.}{Deposit:: RECORDS OF THE CORTEZA TERRESTRE (SURFACE MINING PERMITS OFFICE), PUERTO RICO DEPARTMENT OF NATURAL RESOURCES, 1991.} |