The interior of the Meadowcroft Rockshelter in Avella, Pennsylvania. This site features an archaeological dig preserved as it was left after the dig was completed in the late 1970s. Small tags dot the stones indicating strata. Wooden ladders and walkways are present, allowing for access to harder to get to portions of the dig site. Photo by Mike Luoma. — The **Meadowcroft Rockshelter** in Avella, Pennsylvania. Photo by Mike Luoma.

Humans in Pennsylvania 19,000 Years Ago

Witness History Rewritten at Meadowcroft Rockshelter

5 min readOct 4, 2021

Recently, 21- to 23-thousand-year-old footprints discovered in New Mexico reignited the dogmatic debate in archaeology over when the first humans arrived in North America. (See Science: https://www.science.org/doi/10.1126/science.abg7586).

Humans in Pennsylvania 19,000 Years Ago

Witness History Rewritten at Meadowcroft Rockshelter

Written by Mike Luoma