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  1. With very little known about preceramic occupations in Belize we present the chronology of a small rockshelter in southern Belize that has clear evidence of human activity extending back to the late Pleistocene. The shelter is located along the Rio Blanco valley less than 2 km from the site of Uxbenká. Data collected from four seasons of excavation indicate that the first humans began exploiting local resources, including freshwater snails (jute) by 10,500 BC and were drawn to the rockshelter by its location near fresh water and stone tool resources. Jute processing was a major part of the use of the shelter and continued likely through the Classic Period. Unfortunately, the upper levels of the archaic and Classic Maya period are mixed or were removed, possibly for the carbonate jute shells, likely during the occupation of Uxbenká.