sentences:  The earliest tribe known to have used the cave were the Susquehannocks, circa 1600 AD.It was later used by Algonkian (including Lenni Lenape) and Iroquois (probably Mohawk) tribes through the early eighteenth century.Examples of the artifacts are on display in the cave and include arrow and spearheads, tobacco pipes, tomahawks, punches, banner stones, a bone flute, and pottery shards.