Climate and Innovation: The Norse and the Aztecs, c. 790–1521 · THE MAP AROUND
Map of the Basin of Mexico around 1449
Nezahualcoyotl’s dike: the lagoon turns fresh
The Basin of Mexico around 1449: Nezahualcoyotl’s dike: the lagoon turns fresh. Since 1428, 5 territories changed status on this map: including The Lake of Mexico (western lagoon), Xochimilco and the southern lake towns, Xaltocan, Cuauhtitlan and the northern basin and 2 more.
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What changes on the map
| The Lake of Mexico (western lagoon) | Saline lake water → Fresh or freshened lake water |
| Xochimilco and the southern lake towns | Other peoples and states → Tributary provinces of the Triple Alliance |
| Xaltocan, Cuauhtitlan and the northern basin | Other peoples and states → Tributary provinces of the Triple Alliance |
| Cuauhnahuac and Huaxtepec (Morelos) | Other peoples and states → Tributary provinces of the Triple Alliance |
| Xilotepec, Hueypochtlan and the Otomí north | Other peoples and states → Tributary provinces of the Triple Alliance |
Related maps
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