Bodenlos, Alfred J.

Base-metal deposits of the Cordillera Negra, departamento de Ancash, Peru - Washington, D.C. Government Printing Office 1957 - 165 p. ilus., maps. - U.S. Geological Survey Bulletin n.1040 .


GEOLOGIA ECONOMICA
METALES BASE
YACIMIENTOS MINERALES


ANCASH
CORDILLERA NEGRA
PERU

P/553.4(851.7)/B65