<human>:  Who lived in the Mesa Verde National Park?
<bot>: The people who lived in the Mesa Verde National Park were the Ancestral Puebloans. They lived there from around 600 to 1300 AD. The Ancestral Puebloans were a group of people who lived in the area of the park. They were the first people to live in the area, and they were the first people to build the cliff dwellings in the park.