Map showing geology and rock geochemistry of the Puquio porphyry copper prospect, Santiago de Chocorvos quadrangle, Peru = Mapa geologico y geoquimica de roca del prospecto porfiritico de cobre el Puquio, hoja Santiago de Chocorvos, Peru
Department of the Interior, U.S. Geological Survey ; by Norman J Page ... [and others] ; prepared in cooperation with Empressa Minera del Centro Peru (CENTROMIN)