| Reference | {Deposit:: DEFILIPPO, R. J., 1974, THE MINERAL INDUSTRY OF CENTRAL AMERICAN COUNTRIES; COSTA RICA: MINERALS YEARBOOK 1974, V. 3, P. 1085.}{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.} |