Reference | {Deposit:: BUSTILLOS, C.O., AND OQUENDO, A., 1969, PHOSPHATES DEPOSIT EVALUATION, PART I: UMABISA-POTOSI PHOSPHATE DEPOSITS: GEOBOL INFORME (GE-G2/464)}{Deposit:: GUSTAVSON ASSOC., 1992, COMPENDIUM OF THE ECONOMIC GEOLOGY OF BOLIVIA}{Other Database:: CIMRI}{Reserve-Resource:: BUSTILLOS AND OQUENDO (1969)} |