The following are referenced and additional readings on agave cultivation in the Southwest, spatial analysis, and GIS in archaeology, which may be of assistance to answering the discussion questions and/or cultivating the many new seeds of personal interest that this exercise planted.

Bryant, N. A., and A. L. Zobrist
    1977    Integration of Socioeconomic Data and Remotely Sensed Imagery for Land Use
                Applications. In Mapping with Remote Sensing Data, Proceedings of the Second Annual
                William T. Pecora Memorial Symposium, pp. 120-130. American Society of
                Photogrammetry, Falls Church, Virginia.

Castetter, E. F., W. H. Bell, and A. R. Grove
    1938    The Early Utilization and the Distribution of Agave in the American Southwest.
                Ethnobiological Studies in the American Southwest, No. 6. University of New Mexico
                Press, Albuquerque.

Chisholm, M.
    1979    Rural Settlement and Land Use: An Essay in Location. Hutchinson & Co., London.

Fish, S. K., P. R. Fish, and J. Madsen
    1990    Analyzing Regional Agriculture: A Hohokam Example. In The Archaeology of Regions: A
                Case for Full-Coverage Survey, edited by S. K. Fish and S. A. Kowalewski, pp. 189-218.
                Smithsonian Institution Press, Washington, D. C.

    1992    Evidence for Large-Scale Agave Cultivation in the Marana Community. In The
                Marana Community in the Hohokam World, edited by S. K. Fish, P. R. Fish, and J.
                Madsen, pp. 73-87. Anthropological Papers of the University of Arizona, No. 56.
                University of Arizona Press, Tucson.

    1992    The Marana Community in the Hohokam World, edited by S. K. Fish, P. R. Fish,
                and J. Madsen. Anthropological Papers of the University of Arizona, No. 56. University of
                Arizona Press, Tucson.

Fish, S. K., P. R. Fish, C. Miksicek, and J. Madsen
    1985    Prehistoric Agave Cultivation in Southern Arizona. Desert Plants 7(2):107-112.

Gentry, H. S.
    1972    The Agave Family in Sonora. Agricultural Research Service, Agricultural Handbook No.
                99. United States Department of Agriculture, Washington D.C.

    1982    Agaves of Continental North America. University of Arizona Press, Tucson.

Kohler, T. A., and S. C. Parker
    1986    Predictive Models for Archaeological Resource Location. In Advances in Archaeological
                Method and Theory, Vol. 9, edited by M. B. Schiffer, pp. 397-452. Academic Press, Inc.,
                Orlando.