Important: Before your ILL request, does it look like the book gives technical details about the excavation and the findings? Worldcat records for newer books show the Table of Contents for the book, which can help you decide whether the book will give you these details.
Use worldcat.org to find an excavation report that features findings about the Basketmaker culture. Try to find something that reports on methods and findings.
Use JSTOR to find more articles about Basketmaker agriculture.
Find these sources:
Blair, Lynda M., Diane L. Winslow, David Rhode, and Jennifer E. Riddle. Firebrand Cave: An Archaic Ceremonial Site in Southern Nevada. Las Vegas: Harry Reid Center for Environmental Studies, Cultural Resources Division, University of Nevada, 2006.
Hughes, Richard E. Shell Bead and Ornament Exchange Networks between California and the Western Great Basin: James A. Bennyhoff, Richard E. Hughes. New York: American Museum of Natural History, 1987.
Wills, Wirt H., and Thomas C. Windes. "Evidence for population aggregation and dispersal during the Basketmaker III period in Chaco Canyon, New Mexico." American Antiquity 54, no. 2 (1989): 347-369.
Stiger, Mark A. "Mesa Verde subsistence patterns from Basketmaker to Pueblo III." Kiva 44, no. 2-3 (1979): 133-144.