This past January and February, Greg Child, Renée Globis, Vaughn Hadenfeldt and I explored a series of canyons in southeast Utah and northern Arizona, seeking the most inaccessible Anasazi ruins ...

When we finally hurled ourselves over the rimrock to the top of the little mesa, the ruins of the old city of ... Chaco, the imperial city of the Anasazi, was ruled for four hundred years by ...

We had already visited his relatives, who still farm on the valley floor, and some little-known Anasazi ruins. Now ... familiar rock formations are in Arizona. The site is not a national park ...