Vascular plant and vertebrate inventory of Saguaro National Park, Rincon Mountain District [electronic resource] / edited by Brian F. Powell, William L. Halvorson, and Cecilia A. Schmidt ; in cooperation with the University of Arizona, School of Natural Resources.
- Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 
- Government document
xvi, 156 p. : digital, PDF file
- U.S. Geological Survey open-file report ; 2006-1075.
Open-file report ; 2006-1075
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