We would like to thank the following individuals, organizations and institutions for their generous financial support of this project:

School for Advanced Research

Perrine and Marshall McCune

National Science Foundation

National Geographic Society

Atlantic Richfield Corporation

Marianne and J. Michael O’Shaughnessy

National Endowment for the Humanities

William Sanders

Barry Korben and the Sander’s Foundation

The Barbara and Eric Dobkin Foundation

Michelle Coons and the First National Bank of Santa Fe, New Mexico

Bureau of Land Management