Archaeologists Jeffrey Parsons and Luis Morett specialized in the period of the Aztec culture before the arrival of Spaniards to the Valley of Mexico. They extended their studies beyond the perimeter of Tenochtitlan onto northwestern Lake Texcoco. Specifically, their research covers the currently protected federal lands that border with Chimalhuacán and Texcoco, all the way to the northern zone that has now been licensed for the construction of the recently devised New Mexico City International Airport, bordering to the east with Atenco. Between 1982 and 1992, Parsons and Morett explored on foot more than 8,000 hectares of semi-desert terrains belonging to the former lake. These lands were covered with tequesquite (a type of salty underground emanation), and partially lined with grass and some conifer species. They walked for miles, compiling information for a study about traditional means of salt production, which was apparently abundant along the lake’s perimeter. [...]
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