This document analyzes the southern boundary of the governorate of the Peru according to a map of 1610 that shows that Morro Moreno, located on the peninsula of Mejillones, as initial point of the Governor of Chile.
Téllez Lúgaro, E., & Silva Galdames, O. (2018). Moreno Morro, an old colonial map and the northern border of the Kingdom of Chile. Cuadernos De Historia, (47), pp. 167–176. Retrieved from https://revistapsicologia.uchile.cl/index.php/CDH/article/view/48209
