Meadowcroft: How Do We Know People Used the Meadowcroft Rockshelter 19,000 Years Ago?

Abstract

The Meadowcroft Rockshelter is a world-renowned archaeological site and a National Historic Landmark. It is an ideal campsite protected by a sandstone ledge high above Cross Creek. Prehistoric people camped there at least 19,000 years ago! But how do we know that?

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