Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Dark organic residue is evidence of cooking and heating fires in the cliff dwellings. Pieces of local rock were crudely shaped and then cemented into place with a golden-colored clay carried in from elsewhere in the canyon area.
Public Domain.
