| Reference | {Deposit:: MALOZEMOFF, P., 1942, COSTA RICA [FROM A SYMPOSIUM ON MINING IN LATIN AMERICA]: ENG. MIN. J., V. 143, NO. 8, P. 114.}{Deposit:: ASHLEY, B. E., 1968, THE MINERAL INDUSTRY OF CENTRAL AMERICAN AREAS; COSTA RICA: MINERALS YEARBOOK 1968, V. 4, P. 846.}{Deposit:: U.S. GEOLOGICAL SURVEY, DIRECCION GENERAL DE GEOLOGIA, MINAS E HIDROCARBUROS, UNIVERSIDAD DE COSTA RICA, 1987, MINERAL RESOURCE ASSESSMENT OF THE REPUBLIC OF COSTA RICA: U.S. GEOLOGICAL SURVEY MISCELLANEOUS INVESTIGATION SERIES MAP I-1865, 75 P.} |