The riche mines of Potossi. Agustin de Zarate, Historia de la Descubrimiento y Conquista de Peru, Englished as The Strange and Delectable History of the Discoverie of Peru, reproduced with permission* from Ernst and Johanna Lehner, How They Saw the New World (New York, 1966), p. 81.
*From the inner flap of the 1966 dust-jacket: "Notice to artists and designers: Permission is hereby granted to reproduce any individual items reprinted in this book (except for the Vinland Map) photographically or by other means."