01621nam 2200433I 450 991071333720332120200821143211.0(CKB)5470000002500273(OCoLC)1149018159(EXLCZ)99547000000250027320200406d2009 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierA history of desert tortoise research at Saguaro National Park /Erin R. Zylstra and Don E. SwannVersion 4 (4/6/2009).Fort Collins, Colorado :U.S. Department of the Interior, National Park Service, Natural Resource Program Center,2009.1 online resource (approximately 50 pages) illustrations (some color), maps (some color)Natural resource report ;NPS/SODN/NRR--2009/100"NPS D-183, April 2009"--Page ii.Includes tables."Experience your America"--Page 4 of cover.Includes bibliographical references (pages 18-22).Desert tortoiseArizonaSaguaro National ParkTurtlesArizonaSaguaro National ParkSaguaro National Park (Ariz.)Desert tortoiseTurtlesZylstra Erin R.1417114Swann Don E.Natural Resource Program Center (U.S.),GPOGPOBOOK9910713337203321A history of desert tortoise research at Saguaro National Park3550351UNINA