4 unnumbered pages : illustrations (some color), color maps ; 28 cm
OCLC
ocm55760148
Caption title.
"April 2004."
"This study was done in cooperation with the Navajo Nation Historic Preservation Department, Chaco Protection Sites Program, the Chaco Culture Natural History Park, Aztec Ruins National Monument, San Juan County Museum Association--Salmon Ruins, and the University of Colorado."