Reference | {Deposit:: BERGEY, W.R.,1963, REPORT ON THE GEOCHEMICAL SOIL SURVEY, CERRO AVISPA AREA (CERCADILLO PORTION);IN REPOSITORY OF THE DEPT. OF NATURAL RESOURCES, PUERTO RICO}{Deposit:: BERGEY, W.R.,1964, SUMMARY REPORT ON THE GOLD-SILVER DEPOSITS OF THE CERRO AVISPA REGION, IN REPOSITORY AT THE DEPT OF NATURAL RESOURCES, PUERTO RICO} |