sentences:  These large, low mounds once contained dozens of burials before looters and construction activities destroyed these mounds.While burials typically are not found within the altars of a guachimonton, there may be some continuity in cosmological belief from the Middle Formative to Late Formative periods.Based on a limited number of excavations of guachimontones, the earliest dated guachimonton is that of Circle 1 and Circle 6 at Los Guachimontones.