01654cam a2200373 i 4500 427972364 TxAuBib r 200110s2009||||||||||||||||||||||||eng|u (OCoLC)1135486023 GPO eng rda pn GPO MvI TxAuBib rda I 29.89:2009/093 Ahnmark, Eric B. A history of saguaro cactus monitoring in Saguaro National Park, 1939-2007 : Eric B. Ahnmark, Don E. Swann; editing and design: Alice Wondrak Biel / authors :. Fort Collins, Colorado : U.S. Department of the Interior, National Park Service, Natural Resource Program Center, 2009. 1 online resource (x, 24 pages) : color illustrations, color maps. txt rdacontent c rdamedia cr rdacarrier Natural resources report ; ; 93, 2009 Natural Resource Report ; ; 2009 "NPS D-182, February 2009"--Page ii. "Experience your America"--Page 4 of cover. GPO Cataloging Record Distribution Program (CRDP). Includes bibliographical references (pages 21-23). Saguaro Arizona Saguaro National Park. National parks and reserves Arizona Saguaro National Park. Saguaro National Park (Ariz) Environmental conditions. Swann, Don E., author. Wondrak Biel, Alice. Natural Resource Program Center (U.S.), issuing body. Natural resources report ; ; 93, 2009. Natural Resource Report ; ; 2009. https://purl.fdlp.gov/GPO/gpo82438