sentences:  The excavations at the Triadic Acropolis reveals an occupation around the Late Preclassicperiod, associated with the Chicanelhorizon.The Early Classic period occupation in Holtun was identified in the elite residential groups, particularly in the groups C, D, E and F. The Late Classic period was associated with architecture modifications for residential purposes.The ceramic evidence for the Terminal Classicperiod is minimum and comes from sectors associated with the main plaza near the Group C.
  
  Holtun was officially discovered in February 1994, when the Guatemalan Instituto de Antropología e Historia (IDAEH - "Institute of Anthropology and History") was notified of the looting of a previously unknown site between Flores and Melchor de Mencos.