Manifestaciones de minerales de plomo y cobre en la Quebrada Lacho, Dpto. Tilcara, Pcia. de Jujuy.
Relevamiento: 1975.
Contribution of the Geology and Mining Institute to the Knowledge of the mineralization characteristics in Province of Jujuy, and consequently its mining possibilities.- Study in the sense of the vertical direction change of sunch mineralizations, its genesis, paragenesis, and zonal relations.