Pueblo Bonito showing a dividing wall down the middle of the structure.

Linear groove etched into bedrock on the road
border between Chetio Ketl and Pueblo Alto.

Ground photo of Jackson's staircase along a
prehistoric road on the north side of Chaco Canyon.

Responsible Official: Dr. James L. Smoot (James.L.Smoot@nasa.gov)
Page Author: Tom Sever
Page Curator: Diane Samuelson (diane.samuelson@msfc.nasa.gov)