| Reference | {Deposit:: SANDOVAL M., FELIPE, 1969, MINING POTENTIAL IN COSTA RICA: COSTA RICA, DIR. GEOL. MINAS PETROL., INF. TEC. NOTAS GEOL., V. 8, NO. 32, P. 4.}{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.} |