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DBpedia 2016-04

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Matches in DBpedia 2016-04 for { ?s ?p "Lake Texcoco (Spanish: Lago de Texcoco) was a natural lake within the Valley of Mexico. The Aztecs built the city of Tenochtitlan on an island in the lake. The Spaniards built Mexico City over Tenochtitlan. Over time, efforts to control flooding led to most of the lake being drained, leaving only a much smaller Lake Texcoco east of the city, surrounded by salt marsh. The entire lake basin is now almost completely occupied by Mexico City, the capital of the present-day nation of Mexico.The Valley of Mexico is a basin with an average elevation of 2,236 metres (7,336 ft) above mean sea level located in the southern highlands of Mexico's central altiplano. Lake Texcoco formerly extended over a large portion of the southern half of the basin, where it was the largest of an interconnected chain of five major and several smaller lakes (the other main lakes being Xaltocan, Zumpango, Chalco and Xochimilco lakes). During periods of high water levels—typically after the May-to-October rainy seasons—the lakes were often joined as one body of water, at an average elevation of 2,242 metres (7,356 ft) above mean sea level. In the drier winter months the lake system tended to separate into individual bodies of water, a flow that was mitigated by the construction of dikes and causeways in the Late Postclassic period of Mesoamerican chronology. Lake Texcoco was the lowest-lying of all the lakes, and occupied the minimum elevation in the valley so that water ultimately drained towards it. The Valley of Mexico has been a closed basin since at least the Late Pliocene, and the lakes subsequently had no natural surface outflow, with the drainage basin forming an endorheic system."@en }

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