Joseph B. Mountjoy
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Fabio Germán Cupul-Magaña
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Rafael García de Quevedo-Machain
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Martha Lorenza López Mestas Camberos
The focus of this chapter is a recently discovered archaeological site, Arroyo Piedras Azules, located on the northern Pacific coast of Jalisco, Mexico. Excavated materials provide considerable information about the colonization of this area by Aztatlán groups in the Early Postclassic period, as well as the nature of the expansion of the Aztatlán phenomenon in West Mexico. Based on the data thus far obtained from the site, the authors offer five significant conclusions regarding the development and the spread of the Aztatlán archaeological culture in West Mexico, concerning the timing of development, subsistence strategies of Pacific coastal groups, the nature of Aztatlán expansion, specialized production, and links between the Arroyo Piedras Azules site to the Mixteca-Puebla area.