The site of Chac is thus taking on strategic importance for understanding the origins of Puuc civilization, providing a rare opportunity to study a Maya center that was on the brink of urbanism in one of the most urban ancient Maya areas. Investigations at a major Early Classic site in the heart of the Puuc region suggests that the region's rise was indigenous coupled with external ties to foreign groups reaching to central Mexico. In light of the new information from Chac, we argue that the traditional models of Puuc origins are inadequate. Also, terrace agriculture appears to have been widespread at Chac, contrasting greatly with Sayil where intensive gardening was widely practiced.
Furthermore, dating indicates that Chac predated Sayil and that the two sites have a close geographical relationship. In addition, multifaceted data from surface, soil, architectural, and excavated contexts are addressing major questions pertaining to architectural and ceramic chronologies, the founding of the Puuc stoneworking tradition, site activity areas, and patterns of land use. 300–600) that experienced significant foreign contacts. This work presents a body of evidence in support of the idea that Chac was an important center beginning in the Early Classic period (A.D.
A comprehensive site survey and excavation program took place in 19 at the Maya center of Chac II (Chac) located within the Puuc hills region of Yucatan, Mexico.