Stomach contents.

Textiles.

The preservation of those materials in a single individual, across more than two millennia, demonstrates what the cave is capable of maintaining when the conditions are right.

The End Of The Mining Era — A Hypothesis About Why

The cessation of active mining at Mammoth Cave around 200 BCE is one of the most significant and least-understood facts of the cave’s archaeological record.

Around that time — the end of the Early Woodland period, a transition into what archaeologists call the Middle Woodland period — the sustained pattern of underground mineral collection that had characterized the cave’s human use for centuries appears to have ended.