The future of arid grasslands : identifying issues, seeking solutions : Tucson, Arizona and selected ranches in Southern Arizona, Southwestern New Mexico, and Northern Sonora, October 9-13, 1996 / editors, Barbara Tellman [and others].
Fort Collins, Colo. : Rocky Mountain Research Station, 
Electronic reproduction. [S.l.] : HathiTrust Digital Library, 2010. MiAaHDL
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