1. Factors controlling pre-Columbian and early historic maize productivity in the American Southwest, part 1: the southern Colorado plateau and Rio Grande regions;Benson;J. Archaeol. Meth. Theor.,2011
2. Factors controlling pre-Columbian and early historic maize productivity in the American Southwest, Part 2: the Chaco Halo, mesa Verde, Pajarito plateau/Bandelier, and Zuni archaeological regions;Benson;J. Archaeol. Meth. Theor.,2011
3. The agricultural productivity of Chaco canyon and the source(s) of pre-Hispanic maize found in the Pueblo Bonito great house;Benson,2006
4. The Changing Pattern of Hopi Agriculture;Bradfield,1971
5. The geology of Chaco canyon, New Mexico;Bryan;Smithson. Misc. Collect.,1954