WSP02186

• File Number: 8220.101.09
• Description: Glen Canyon Dam/Lake Powell
• State: AZ
• Basin: Colorado Mainstem
• Date: 11/1/1995
• Author: USDOI-BOR
• Title: Biological Assesment of a One Time Test of Beach/Habitat-Building Flow from Glen Canyon Dam-Spring 1996
• Water Supply Pro - Doc Type: Biological Opinion

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,Suttkus, R.D. and G.H.
Canyon National Park.
Series 5;599-604.

Clemmer. 1979. Fishes of the Colorado River in Grand
National Park Service Transactions and proceedings

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Tibbitts, T.J., M.K. Sogge, and S.J. Sferra. 1994. A survey protocol for the
southwestern willow flycatcher (Emoidonax trail1ii extimus). U.S. Department
of the Interior, National Park Service. Technical Report NPS/NAUCPRS/NRTR-
94/04. Colorado Plateau Research Station, Northern Arizona University,
Flagstaff, AZ. 24 pp.

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Tuegel, M., T. Hoffnagle, M. Brouder, K. Tinning
& Bio/West native fish interim monitoring study.
Department, Phoenix, AZ.

and B. Persons. 1995.
Arizona Game and Fish

AGFD

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Turner, R.M. and M.M. Karpiscak. 1980. Recent vegetation changes along the
Colorado River between Glen Canyon Dam and Lake Mead, Arizona. U.S. Geological
Survey Professional Paper 1132.

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Tyus, H.M. 1987. Distribution, reproduction, and habitat use of 'the
razorback sucker in the Green River, Utah 1979-1986. Transactions of the
American Fisheries Society 116;111-116.

Tyus, H.M.
endangered
Biological

and C.A. Karp. 1989.
fishes, Yampa River,
Reports 89;1-27.

Habitat use and streamflow needs of rare and
Colorado. U.S. Fish and wildlife Service

Unitt, Philip. 1987. Emnidcnax ~raillii p-xtimua: An endangered subspecies.
Western Birds 18:137-162.

U.S. Bureau of Reclamation. 1990. Graphical Detail of Historic Streamflows,
Water Releases and Reservoir Storage for Glen Canyon Dam and Lake Powell.
Bureau of Reclamation Water Management Section, DenVer, CO.

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U.S. Bureau of Reclamation. 1995. Operation of Glen Canyon Dam; final
environmental impact statement. U.S. Department of the Interior Bureau of
Reclamation, Salt Lake City.

U.S. Fish and Wildlife Service. 1983. Endangered Species Technical Bulletin
15 (2) .

U.S. Fish and Wildlife Service. 1984. American peregrine falcon Rocky
Mountain/Southwest population recovery plan. U.S. Fish and wildlife Service,
Denver, CO.

U.S. Fish and Wildlife Service. 1991. Endangered and threatened
plants: the razorback sucker (Xvrauchen texanus) determined to be
endangered species, 50 CFR Part 17, Final Rule, October 23, 1991.
Register 56(205) ;54957-54967.

wildlife
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U.S. Fish and Wildlife Service. 1992. 90-Day finding on petition to list the
southwestern willow flycatcher and initiation of status review. Federal
Register 57; 39664-39668, September 1.

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