The Chaco Phenomenon describes roughly the 300 to 400 year period for the rise and fall of the great Chaco Canyon, which appears to have been a center of the Puebloan world, from 800 BCE to roughly the mid-1100s BCE.

Pictures on the website: https://engineeringfire.org/podcast-new-mexico-precontact-pictures/

Additional Resources regarding Chaco Canyon:

https://whc.unesco.org/en/list/353/

https://www.nps.gov/chcu/learn/historyculture/index.htm

This episode’s transcript: https://engineeringfire.org/new-mexico-episode-4-the-chaco-phenomenon-transcript/

NeoWestern Incompetech, Kevin McLeod CC-3: incompetech.com

Filmusic.io

Music: Desperados by Frank Schroeter

Free download: https://filmmusic.io/song/6567-desperados

Licensed under CC BY 4.0: https://filmmusic.io/standard-license

The show's website where resources are located is: https://engineeringfire.org/podcast/