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<br />Stevens, L.E. 1985. Invertebrate herbivore community dynamics on Tamarix chinensis
<br />Loueiro and Salix exigua Nuttall in the Grand Canyon, Arizona. Northern Arizona
<br />University Masters Thesis, Flagstaff, AZ.
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<br />Stevens, L.E. and T.J. Ayers. 1992. The impacts of Glen Canyon Dam on riparian
<br />vegetation and soil stability in the Colorado River corridor, Grand Canyon, Arizona:
<br />1992 final report. U.S. Bureau of Reclamation Glen Canyon Environmental Studies
<br />Report, Flagstaff, AZ.
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<br />Stevens, L.E. and G.L. Waring. 1988. Effects of post-dam flooding on riparian substrates, - -
<br />vegetation, and invertebrate populations in the Colorado River in Grand Canyon,
<br />Arizona. U.S. Bureau of Reclamation Glen Canyon Environmental Studies Report,
<br />National Technical Information Series PB88-183488/AS.
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<br />Stevens, L.E., V.J. Meretsky, J.R. Petterson, J.e. Nagy and F. R. Protiva. 1996. Impacts
<br />of a beachlhabitat building flow from Glen Canyon Dam on endangered southwestern
<br />willow flycatcher in Grand Canyon, Arizona: final report. Grand Canyon Monitoring and
<br />Research Center, Flagstaff, AZ.
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<br />Stevens, L.E., KA. Buck, B.T. Brown, and N.e. Kline. 1997a. Dam and
<br />geomorphological influences on Colorado River water distribution, Grand Canyon,
<br />Arizona, USA. Regulated Rivers: Research & Management 13:151-169.
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<br />. Stevens, L.E., F.R. Protiva, D.M. Kubly, V.I. Meretsky and J. Petterson. 1997b. The
<br />ecology of Kanab ambersnail (Succineidae: Oxvloma havdeni kanabensis Pilsbry, 1948)
<br />at Vaseys Paradise, Grand Canyon, Arizona: final report. U.S. Bureau of Reclamation
<br />Glen Canyon Environmental Studies Program Report, Flagstaff, AZ.
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<br />Stevens, L.E., J.P. Shannon, and D.W. Blinn. 1997c. Colorado River benthic ecology in
<br />Grand Canyon, Arizona: dam, tributary and geomorphological influences. Regulated
<br />Rivers: Research & Management 13:129-149.
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<br />Stevens, L.E., B.T. Brown, and K Rowell. 1998. Peregrine falcon foraging ecology in
<br />Grand Canyon, Arizona. Grand Canyon Monitoring and Research Center, Flagstaff.
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<br />Suttkus, R.D. and G.H. Clemmer. 1979. Fishes of the Colorado River in Grand Canyon
<br />National Park. National Park Service Transactions and Proceedings Series 5:599-604.
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<br />Tibbitts, T.J., M.K Sogge, and S.J. Sferra. 1994. A survey protocol for the southwestern
<br />willow flycatcher (EmDidonax traiIlii extimus). U.S. Department of the Interior, National
<br />Park Service. Technical Report NPSINAUCPRSINRTR-94/04. Colorado Plateau
<br />Research Station, Northern Arizona University, Flagstaff, AZ. 24 pp.
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<br />Tuegel, M., T. Hoffnagle, M. Brouder, K. Tinning and B. Persons. 1995. AGFD &
<br />BiolWest native fish interim monitoring study. Arizona Game and Fish Department,
<br />Phoenix, AZ.
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<br />Turner, R.M. and M.M. Karpiscak. 1980. Recent vegetation changes along the Colorado
<br />River between Glen Canyon Dam and Lake Mead, Arizona. U.S. Geological Survey
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