ISBN 0816524289 books & textbook
The Safford Valley Grids: Prehistoric Cultivation in the Southern Arizona Desert (Volume 70) (Anthropological Papers)
Doolittle, William E. Neely, James A.
University of Arizona Press /2004-11-01 Paperback / 194 Pages
isbn-10: 0816524289 / isbn-13: 9780816524280
