Note 11 — Chapter I · ANCIENT MEXICO—CLIMATE AND PRODUCTS—PRIMITIVE RACES—AZTEC EMPIRE
Reading edition
The elevation of the Castiles, according to the authority repeatedly cited, is about 350 toises, or 2100 feet above the ocean. (Humboldt’s Dissertation, apud Laborde, Itinéraire descriptif de l’Espagne (Paris, 1827), tom. i. p. 5.) It is rare to find plains in Europe of so great a height.