Vascular plant and vertebrate inventory of Montezuma Castle National Monument [electronic resource] / by Cecelia A. Schmidt, Charles A. Drost, and William L. Halvorson ; in cooperation with the University of Arizona, School of Natural Resources.
Imprint
Tucson, Ariz. : USGS Southwest Biological Science Center ; Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, [2006]