El Paco

AHLFELD, F., 1954, LOS YACIMIENTOS MINERALES DE BOLIVIA: BANMINERO DE BOLIVIA, LA PAZ, PG. 62, WAS PRINTED IN BILBAO, SIMPRENTA INDUSTRIAL S. A., IN SPANISH.GORDON, S.G., 1944. THE MINERALOGY OF THE TIN MINES OF CERROLLALLAGUA, BOLIVIA. ACAD. OF NATURAL SCI. PROC., VOL. 96279-359.RIDGE, J.D., 1922. ANNOTATED BIBLIOGRAPHY OF MINERAL DEPOSITG.S.A. MEMOIR 131, P.566, LLALLAGUA-UNCIA (CATAVI).TURNEAURE, F.S., 1935, THE TIN DEPOSITS OF LLALLAGUA, BOLIVIGEOL., VOL.30, P.14-60, & PP. 170-190.VARGAS, E.C., 1970. ESTUDIO GEOLOGICO DEL AREA LLALLAGUA. SEGEOLOGICO DE BOLIVIA, BOLETIN 12.YAKSIC, B., 1969. TIN RECOVERY FROM FINES AND SLIMES FROM THVI MINE (BOLIVIA). IN: A SECOND TECHNICAL CONFERENCE ONBOL. III, BANGKOK.