Reference | {Deposit:: COSTA RICA, MINING MAGAZINE, SEPTEMBER, 1972, P. 306.}{Deposit:: COSTA RICA, ENGINEERING AND MINING JOURNAL, JANUARY 1971, P.}{Deposit:: 55.}{Deposit:: COSTA RICA, MINING MAGAZINE, SEPTEMBER, 1969, P. 258.}{Deposit:: COSTA RICA, MINING MAGAZINE, SEPTEMBER, 1971, P. 269.}{Deposit:: COSTA RICA, ENGINEERING AND MINING JOURNAL, 1973, P. 62-63.}{Deposit:: VALETON, IDA, BAUXITES, ELSEVIER PUBLISHING COMPANY, 1972,}{Deposit:: P. 61.}{Deposit:: SKINNER, WALTER, MINING INTERNATIONAL YEARBOOK, 1978, P. 78.}{Reserve-Resource:: COSTA RICA, WORLD MINING CATALOGUE, SURVEY, AND DIRECTORY,}{Reserve-Resource:: 1971, P. 128.} |