| Reference | {Deposit:: CASTRO M., J. F., AND VARGAS, R., J. E., 1982, MAPA DE RECURSOS MINERALES DE COSTA RICA, 1:750,000: DIRECCION DE GEOLOGIA Y MINAS, 1 SHEET.}{Deposit:: DIRECCION GENERAL DE GEOLOGIA, MINAS E HIDROCARBUROS (DGMH) UNPUBLISHED FILES VIEWED 1986.}{Deposit:: U.S. GEOLOGICAL SURVEY, DIRECCION GENERAL DE GEOLOGIA, MINAS E HIDROCARBUROS, UNIVERSIDAD DE COSTA RICA, 1987, MINERAL RESOURCE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.}{Production:: CASTRO AND VARGAS, 1982} |