Its principal river is the Rapel, sometimes considered as the southern limit of the Inca empire.
Fearing that the little court of the Inca Tupac Amaru -(who had succeeded his brother Sayri Tupac) might become a focus of rebellion, he seized the young prince, and unjustly beheaded the last of the Incas in the square of Cuzco in the year 1571.
The second narrative is the famous history of Florida by the Inca, Garcilasso de la Vega, who obtained his information from a Spanish cavalier engaged in the enterprise; it was completed in 1591, first appeared at Lisbon in 1605 under the title of La Florida del Ynca, and has since passed through many editions in various languages.
The best known of these are Jose Sebastian Barranca, the naturalist and antiquary, Jose Fernandez Nodal, and Gavino Pacheco Zegarra of Cuzco, who published translations of the Inca drama of 011antay, and Leonardo Villar, of Cuzco.
The Inca tribes were an agricultural and pastoral people, but the abundance of gold and silver in their possession at the time of the conquest shows that mining must have received considerable attention.