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Ariz.) Cooperative National Park Resources Studies Unit (Tucson

Books from the extended shelves:

• Cooperative National Park Resources Studies Unit (Tucson, Ariz.): An analysis of recorded Colorado River boating accidents in Glen Canyon for 1980, 1982, and 1984, and in Grand Canyon for 1981 through 1983 (Cooperative National Park Resources Studies Unit, University of Arizona, 1986), also by A. Heaton Underhill, R. E. Borkan, M. H. Hoffman, and United States Bureau of Reclamation (page images at HathiTrust)
• Cooperative National Park Resources Studies Unit (Tucson, Ariz.): Avian use of Quitobaquito Springs Oasis, Organ Pipe Cactus National Monument, Arizona (Cooperative National Park Resources Studies Unit, University of Arizona ;, 1983), also by R. Roy Johnson, Sharon Goldwasser, Bryan T. Brown, and United States. National Park Service. Western Regional Office (page images at HathiTrust)
• Cooperative National Park Resources Studies Unit (Tucson, Ariz.): Brown pelican roosting patterns and responses to disturbance at Mugu Lagoon and other nonbreeding sites in the Southern California Bight (National Biological Service, Cooperative National Park Resources Studies Unit, School of Renewable Natural Resources, 1996), also by Deborah L. Jaques, Thomas W. Keeney, and Craig S. Strong (page images at HathiTrust)
• Cooperative National Park Resources Studies Unit (Tucson, Ariz.): Desert bighorn sheep and water : a bibliography (U.S. Geological Survey, Cooperative Park Studies Unit, School of Renewable Natural Resources, University of Arizona, 1996), also by Paul R. Krausman, Richard C. Etchberger, and Geological Survey (U.S.) (page images at HathiTrust)
• Cooperative National Park Resources Studies Unit (Tucson, Ariz.): History of fire and fire impacts at Tonto National Monument, Arizona (United States Geological Survey, Cooperative Park Studies Unit, School of Renewable Natural Resources, The University of Arizona, 1997), also by Barbara G. Phillips (page images at HathiTrust)
• Cooperative National Park Resources Studies Unit (Tucson, Ariz.): Hydrologic and limnologic features of Quitobaquito Pond and springs, Organ Pipe Cactus National Monument (Cooperative National Park Resources Studies Unit, School of Renewable Natural Resources, University of Arizona, 1989), also by Stuart G. Fisher (page images at HathiTrust)
• Cooperative National Park Resources Studies Unit (Tucson, Ariz.): Inventory of riparian habitat along Rincon Creek near Tucson, Arizona (United States Geological Survey, Cooperative Park Studies Unit, School of Renewable Natural Resources, The University of Arizona, 1997), also by Mark K. Briggs, William L. Halvorson, and Mary K. Schmid (page images at HathiTrust)
• Cooperative National Park Resources Studies Unit (Tucson, Ariz.): Invertebrates of Organ Pipe Cactus National Monument, Arizona (U.S. Geological Survey, Cooperative Park Studies Unit, School of Renewable Natural Resources, 1998), also by Kenneth J. Kingsley, Geological Survey (U.S.), and United States National Park Service (page images at HathiTrust)
• Cooperative National Park Resources Studies Unit (Tucson, Ariz.): Non-native plants of Organ Pipe Cactus National Monument, Arizona (Cooperative National Park Resources Studies Unit, School of Renewable Natural Resources, University of Arizona, 1990), also by Richard Stephen Felger (page images at HathiTrust)
• Cooperative National Park Resources Studies Unit (Tucson, Ariz.): Organ Pipe Cactus National Monument, Ecological Monitoring Program, annual report 1994 (National Biological Service, Cooperative Park Studies Unit, The University of Arizona ;, 1998), also by United States National Park Service and Organ Pipe Cactus National Monument (Ariz.). Division of Natural and Cultural Resources Management (page images at HathiTrust)
• Cooperative National Park Resources Studies Unit (Tucson, Ariz.): Organ Pipe Cactus National Monument, Ecological Monitoring Program, annual report 1995 (National Biological Service, Cooperative Park Studies Unit, The University of Arizona ;, 1998), also by United States National Park Service and Organ Pipe Cactus National Monument (Ariz.). Division of Natural and Cultural Resources Management (page images at HathiTrust)
• Cooperative National Park Resources Studies Unit (Tucson, Ariz.): Plant communities of San Nicolas Island, California (National Biological Service, Cooperative Park Resources Studies Unit, School of Renewable Natural Resources, 1996), also by William L. Halvorson (page images at HathiTrust)
• Cooperative National Park Resources Studies Unit (Tucson, Ariz.): Plant ecology and vegetation mapping at Coronado National Memorial, Conchise County, Arizona : final report (Cooperative National Park Resources Studies Unit, School of Renewable Natural Resources, University of Arizona, 1991), also by George A. Ruffner, Robert A. Johnson, United States National Park Service, and Ruffner Associates (page images at HathiTrust)
• Cooperative National Park Resources Studies Unit (Tucson, Ariz.): A preliminary investigation of the arthropod fauna of Quitobaquito Springs Area, Organ Pipe Cactus National Monument, Arizona (Cooperative National Park Resources Studies Unit, University of Arizona ;, 1987), also by Kenneth J. Kingsley, Robert L. Smith, Richard A. Bailowitz, and United States. National Park Service. Western Regional Office (page images at HathiTrust)
• Cooperative National Park Resources Studies Unit (Tucson, Ariz.): Preliminary study of the desert pupfish and their habitat at Quitobaquito Springs, Arizona : final report of research accomplished under cooperative agreement no. PX-810050165 (University of Arizona ;, 1976), also by Boyd Ernest Kynard (page images at HathiTrust)
• Cooperative National Park Resources Studies Unit (Tucson, Ariz.): Saguaro National Monument : recreational use by visitors, neighbors, and organized groups (Cooperative National Park Resources Studies Unit, 1985), also by Terry D. Shand and A. Heaton Underhill (page images at HathiTrust)
• Cooperative National Park Resources Studies Unit (Tucson, Ariz.): Saguaro National Park (U.S. Geological Survey, Cooperative Park Studies Unit, School of Renewable Natural Resources, 1999), also by Pamela J. Swantek, Cecil R. Schwalbe, William L. Halvorson, Geological Survey (U.S.), and United States National Park Service (page images at HathiTrust)
• Cooperative National Park Resources Studies Unit (Tucson, Ariz.): San Nicolas Island vegetation monitoring report, 1993-1996 (U.S. Geological Survey, Cooperative Park Studies Unit, School of Renewable Natural Resources, 1996), also by Katherine A. Chess, A. Kathryn McEachern, William L. Halvorson, Geological Survey (U.S.), and United States National Park Service (page images at HathiTrust)
• Cooperative National Park Resources Studies Unit (Tucson, Ariz.): Sensitive plants of San Nicolas Island, California (Phase 2) (U.S. Geological Survey, Cooperative Park Studies Unit, School of Renewable Natural Resources, 1996), also by Steve Junak and Geological Survey (U.S.) (page images at HathiTrust)
• Cooperative National Park Resources Studies Unit (Tucson, Ariz.): Smallmouth bass and Ozark bass in Buffalo National River (Cooperative National Park Resources Studies Unit, School of Renewable Natural Resources, University of Arizona, 1989), also by Keith A. Whisenant and O. Eugene Maughan (page images at HathiTrust)
• Cooperative National Park Resources Studies Unit (Tucson, Ariz.): A Sociological study of backcountry users at Grand Canyon National Park (Cooperative National Park Resources Studies Unit, University of Arizona, 1986), also by A. Heaton Underhill (page images at HathiTrust)
• Cooperative National Park Resources Studies Unit (Tucson, Ariz.): Special report (The Unit, 1982) (page images at HathiTrust)
• Cooperative National Park Resources Studies Unit (Tucson, Ariz.): Technical report (The Unit, 1976) (page images at HathiTrust)

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