Note 62 — Chapter XIII · THE CENTRAL PROVINCES. CORDOVA, LA RIOJA, SANTIAGO, TUCUMAN, CATAMARCA, SALTA.
Reading edition
As mining labour was imposed as an obligation upon the Indians by the conquerors, so it came to be looked upon as the occupation of a caste, and of a caste looked down upon by all who boasted of the slightest admixture of European blood in their veins.