Biological Opinion

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  1. LITERATURE CITED
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    ____. 1994. Endangered and threatened wildlife and plants: determination of critical habitat for four Colorado River endangered fishes: Final rule. Federal Register 59(54): 13374-13400.

    ____. 1994. Endangered and Threatened Wildlife and Plants. August 20, 1994. 50 CFR 17.11 and 17.12. U.S. Fish and Wildlife Service, U.S. Department of the Interior.

    ____. 1994a. Endangered and threatened wildlife and plants: Final rule to list the Rio Grande silvery minnow as an endangered species. Federal Register 59: 36988-36995.

    ____. 1993. Endangered and threatened wildlife and plants; final rule to list the mexican spotted owl as a threatened species. Federal Register 58(49): 14248-14271.

    ____. 1992(b). Threatened and Endangered Wildlife Species of Texas. Endangered Species Office, Albuquerque, NM.

    ____. 1991. Colorado Squawfish Recovery Plan. Prepared by the Colorado River Fishes Recovery Team for Region 6, U.S. Fish and Wildlife Service, Denver, CO.

    ____. 1991. Endangered and Threatened Wildlife and Plants; the Razorback sucker, Xyrauchen texanus, determined to be an endangered species. Federal Register Vol. 56, No. 205. October 23, 1991.

    ____. 1990. Listed Cats of Arizona recovery plan (with emphasis on the ocelot). US Fish and Wildlife Service, Albuquerque, NM. 131 pp.

    ____. 1990. Northern Aplomado Falcon Recovery Plan. US Fish and Wildlife Service, Albuquerque, NM. 56 pp.

    ____. 1989. Black-footed ferret survey guidelines for compliance with the Endangered Species Act. U.S. Fish and Wildlife Service, Denver, Colo. and Albuquerque, New Mex. 16pp.

    ____. 1988. Endangered and threatened wildlife and plants; determination of endangered status for two long-nosed bats. Federal Register 53(190): 38456-38460.

    ____. 1987(a). Endangered and Threatened Wildlife and Plants; Determination of Endangered Status for the Mount Graham Red Squirrel (Final Rule). Federal Register 52(106):20994-20999.

    ____. 1986. Endangered and Threatened Wildlife and Plants; Determination of Endangered Status for the Northern Aplomado Falcon. Federal Register 51:6686-6690.

    ____. 1986. Recovery Plan for Chihuahua Chub, Gila nigrescens (Girard 1856). Prepared by U.S. Fish and Wildlife Service Office of Endangered species, Region 2, Albuquerque, NM.

    ____. 1986. Endangered and threatened wildlife and plants; determination of threatened status for the spikedace. Federal Register 51(126): 23769-23781. July 1, 1986.

    ____. 1986b. Endangered and threatened wildlife and plants: Determination of threatened status for the loach minnow. Federal Register 51: 39468-39478.

    ____. 1984. Endangered species of Arizona and NewMexico. U.S. Department of the Interior. 87 pp.

    ____. 1979. Recovery plan for Gila trout, Salmo gilae, Miller 1950. Mimeo. U.S. Fish and Wildlife Service, Albuquerque, NM. 45 pages.

    ____. 1975. Endangered and threatened wildlife and plants; reclassification of the American alligator and other amendments. Federal Register. 40: 44415.

    ____. 1967. Native fish and wildlife; endangered species. Federal Register 32: 4001.

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    ____. 1992. Fire and Forest Health Southwestern Region. Prepared by Ron Moody, R-3 Regional Office, AFM; Les Buchanan, Santa Fe National Forest; Ron Melcher, Coconino National Forest; Hunter Wistrand, Coconino National Forest.

    ____. 1997. Effects Determinations for loachminnow, spikedace, Little Colorado spinedace, and Sonora chub on National Forests in the Southwestern Region, U.S.D.A. Forest Service. A Report to the Regional Forester by the Fish Team of the 7 Species Effort. Tom Cain, Coconino National

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