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<br />14 The State of the Colorado River Ecosystem in Grand Canyon
<br />
<br />RM 0, with mileage measured for both upstream and
<br />downstream directions.
<br />
<br />References
<br />
<br />Annerino,J., 2000, Canyons of the Southwest: a tour of
<br />the great canyon country from Colorado to northern
<br />Mexico: Tucson, University of Arizona Press, 144 p.
<br />
<br />Babbitt, B., 1990, Introduction: down the imperiled
<br />Colorado: Land and \Vater Law Review, \C 25, no. I,
<br />p. 1-9.
<br />
<br />Beus, S.S., and Morales, M., eds., 2003, Grand
<br />Canyon geology (2d ed.): New York, Oxford
<br />University Press, 432 p.
<br />
<br />Hughes, T.c., 1991, Reservoir operations, in Commit-
<br />tee to Review the Glen Canyon Environmental Stud-
<br />ies, Commission on Geosciences, Environment, and
<br />Resources, eds., Colorado River ecology and dam man-
<br />agement: proceedings of a symposium: \ Vashington,
<br />D.C., National Academy Press, p. 207-225.
<br />
<br />Ingram, H., Tarlock, D.A., and Oggins, C.R., 1991,
<br />The law and politics of the operation of Glen Canyon
<br />Dam, in Committee to Review the Glen Canyon El1\~-
<br />ronmental Studies, Commission on Geosciences, Envi-
<br />ronment, and Resources, eds., Colorado River ecology
<br />and dam management: proceedings of a symposium:
<br />Washington, D.C., National Academy Press, p. 10-27.
<br />
<br />National Research Council, 1996, River resource man-
<br />agement in Grand Canyon: Committee to Review
<br />the Glen Canyon Environmental Studies, Commis-
<br />sion on Geosciences, El1\~ronment, and Resources:
<br />Washington, D.C., National Academy Press, 226 p.
<br />
<br />National Research Council, 1999, Downstream: adaptive
<br />management of Glen Canyon Dam and the Colorado
<br />River ecosystem: Committee on Grand Canyon
<br />Monitoring and Research, \iVater Science and Tech-
<br />nology Board, Commission on Geosciences, Environ-
<br />ment, and Resources: \Vashington, D.C., National
<br />Academy Press, 230 p.
<br />
<br />Pontius, D., 1997, Colorado River Basin study: Report
<br />to the Western Water Policy Review Advisory
<br />Commission, 126 p.
<br />
<br />Roosevelt, T., ca. 1905, The works of Theodore
<br />Roosevelt, presidential addresses and state papers,
<br />pt. 1: New York, P.F. Collier and Sons, Publishers, p.
<br />369-370.
<br />
<br />Stevens, L., 1990, The Colorado River in Grand Canyon:
<br />a guide: Flagstaff, Ariz., Red Lake Books, 115 p.
<br />
<br />Topping, DJ., Schmidt,J.C., and Vierra, L.E.,Jr., 2003,
<br />Computation and analysis of the instantaneous-dis-
<br />charge record for the Colorado River at Lees Ferry,
<br />Arizona-May 8, 1921, through September 30, 2000:
<br />Reston, Va., U.S. Geological Survey Professional Paper
<br />1677,118 p.
<br />
<br />
<br />.,
<br />
<br />1996 Experimental controlled flood of 45,000
<br />cfs conducted at Glen Canyon Dam; Record of
<br />Decision for the operation of Glen Canyon Dam
<br />signed by Secretary of the Interior Bruce Babbitt
<br />
<br />
<br />1997 Interior Secretary Bruce Babbitt signed a Notice
<br />of Establishment of the Adaptive Management Work
<br />Group, a Federal Advisory Committee with first meeting
<br />of the group in September; first test of the concept of
<br />the habitat maintenance flows conducted in November
<br />
<br />2000 Test of low summer steady flows for the
<br />possible benefit of endangered species of fish,
<br />second and third tests of the habitat maintenance
<br />flows concept conducted in spring and summer
<br />
<br />
<br />2001 Draft strategic plan for the Glen
<br />Canyon Dam Adaptive Management Program
<br />developed by program members
<br />
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