sentences:  Archaeological investigations have uncovered potsherds dating as far back as the early Middle Preclassic (1000 BC–800 BC).Postclassic potsherds are widely distributed in the upper levels of the site to a depth of .Evidence from the Temple of the Hidden Jars indicates a continuous occupation from the Preclassic right through the Classic (AD 200–900) to the Postclassic Period (AD 900–1525), with occupation continuing until approximately 1700, well after the Spanish Conquest of most of Guatemala, according to ethnohistoric sources.