Handley, C. O., Jr. 1991. Mammals. Pages 539-616 in K. Terwilliger, coordinator. Virginia's endangered species: proceedings of a symposium. McDonald and Woodward Publishing Company, Blacksburg, Virginia.

Matthews, J.R. and C.J. Moseley (eds.). 1990. The Official World Wildlife Fund Guide to Endangered Species of North America. Volume 1. Plants, Mammals. xxiii + pp 1-560 + 33 pp. appendix + 6 pp. glossary + 16 pp. index. Volume 2. Birds, Reptiles, Amphibia

DeBruin, E. 1990. Field survey to the Organ Mts, Soledad and Beasley Canyons, May 7, 1990.

Muldavin, Esteban. 1990. Community field surveys to the Gray Ranch.

DeGeus, D. W. 1990. Productivity and habitat preferences of loggerhead shrikes inhabiting roadsides in a midwestern agroenvironment. Iowa State University, Ames, Iowa. MS thesis.

U.S. Fish and Wildlife Service (USFWS). 1990. Draft revised recovery plan for the eastern timber wolf. 93 pp.

Spellenberg, R. 1990. Page 5 of letter to USFWS Regional Director. 18 Sept 1990.

Brown, J.H. and E.J. Heske. 1990. Control of a desert grassland transition by a keystone rodent guild. Science. 250:1705-1707.

Frazer, N. B., J. W. Gibbons, and J. L. Greene. 1990c. Life table of a slider turtle population. Pages 183-200 in J. W. Gibbons, editor. Life history and ecology of the slider turtle. Smithsonian Institution Press, Washington, D.C.

Mehlhop, P. 1990. Field survey to Gray Ranch - Indian Creek Canyon, Aspen Spring. 19-21 Sept. 1990.

Mitchell, L. J., and R. A. Lancia. 1990. Breeding bird community changes in a Bald Cypress-Tupelo wetland following timber harvesting. Pages 189-201 in Proceedings of the Annual Conference of the Southeasten Association of Fish and Wildlife Agencies, Vol.

Reynolds, R.T., and B.D. Linkhart. 1990. Extra-pair copulation and extra-range movements in flammulated owls. Ornis Scandinavica 21:74-77.

Williams, J. E., M. A. Stern, A. V. Munhall, and G. A. Anderson. 1990. Conservation status of threatened fishes in Warner Basin, Oregon. Great Basin Naturalist 50(3):243-8.

Evers, D.C. 1990. Yellow Rail, COTURNICOPS NOVEBORACENSIS (Gmelin). Draft species abstract for Michigan Heritage Program, Michigan Department of Natural Resources, Lansing, MI.

Rinne, J.N. (1990) Unpublished USDA Forest Service Memo Conrtaining Estimated Fish Counts for Multiple Sites. Retrieved from Silver City Ranger District, Gila National Forest, USFS. 4 p.

Gorman, M. L., and R. D. Stone. 1990. The natural history of moles. Cornell Univ. Press. 208 pp.

Ballen, M. 1990. 1990 Mexican Spotted Owl Inventory Form

Orr, Mary V. 1990. Threatened, endangered and sensitive plants observation record for Lilium philadelphicum. US Forest Service

Wyoming Natural Diversity Database. No date. Unpublished data on file. Wyoming Natural Diversity Database, Laramie, WY.

Berg, W. E. 1990. Sharp-tailed grouse management problems in the Great Lakes states: does the sharp-tail have a future? The Loon 62:42-45.

Mehlhop, P. 1990. Field survey to Gray Ranch - NE slope Victorio Peak - talus of August 20, 1990.

Bull, E. L., A. L. Wright, and M. G. Henjum. 1990. Nesting habitat of flammulated owls in Oregon. J. Raptor Res. 24:52-55.

Geist, V. 1990. Agriculture versus bison in Canada's Wood Buffalo National Park. Conservation Biology 4:345-346.

Kreeger, T. J., et al. 1990. Pathological responses of red foxes to foothold traps. J. Wildl. Manage. 54:147-160.

UNKNOWN, 1990. Map of Mexican Spotted Owl 1990 Survey Red River Ski Area

Meyer, K. D. 1990. Kites. Pages 38-49 in Proceedings of the Southeast Raptor Management Symposium and Workshop. National Wildlife Federation, Washington, D.C.

Ringelman, J. K. 1990. Life history traits and management of the gadwall. U.S. Fish & Wildl. Serv., Fish and Wildlife Leaflet 13.1.2. 6 pp.

Shaw, D. M., and S. F. Atkinson. 1990. An introduction to the use of geographic information systems for ornithological research. Condor 92:564-570.

Howard, Mike. 1990. Field trip report, February 27, 1990, White Sands Missile Range. February 1990.

Sullivan, R.M. and R.A. Smartt. 1990. Biological survey of the Colorado chipmunk (Eutamias quadrivittatus), Oscura Mountain land snail (Oreohelix socorroensis), and other flora and fauna along the proposed access road to Jim Site (including Kidd and Duffy

Goudie, R. I. 1990. The status of the Harlequin Duck (HISTRIONICUS HISTRIONICUS) in eastern North America. Committee on the status of endangered wildlife in Canada (COSEWIC), Ottawa, Ontario. 59 pp. + 4 appendices.

Clark, B. K., and D. W. Kaufman. 1990. Short-term responses of small mammals to experimental fire in tallgrass prairie. Can. J. Zool. 68:2450-2454.

George, S. B. 1990. Unusual records of shrews in New Mexico. Southwest. Nat. 35:464-465.

Johnson, R. K., R. R. Roth, and J. T. Paul Jr. 1990. Mass variation in breeding Wood Thrushes. The Condor 92:89-96.

McCranie, J. R. 1990. Nerodia erythrogaster. Cat. Am. Amph. Rep. 500.1-500.8.

Smith, P. W., and S. A. Smith. 1990. The identification and status of the Bahama swallow in Florida. Birding 22:264-271.

Windberg, L.A. and C.D. Mitchell. 1990. Winter diets of coyotes in relation to prey abundance in southern Texas. J. Mamm. 71(3): 439-447.

Bratton, S. P., S. Hendricks. 1990 (1988). Wood stork nesting, roosting, and foraging at Cumberland Island, Georgia. Oriole 53:17-24.

Dragoo, J. W., et al. 1990. Evolutionary and taxonomic relationships among North American arid-land foxes. J. Mammalogy 71:318-332.

Henke, S. E., and S. Demarais. 1990. Capturing jackrabbits by drive corral on grasslands in west Texas. Wildl. Soc. Bull. 18:31-33.

Marsh, P. C., and W. L. Minckley. 1990. Management of endangered Sonoran topminnow at Bylas Springs, Arizona: description, critique, and recommendations. Great Basin Naturalist 50:265-272.

Price, A. H. 1990. Phrynosoma cornutum. Cat. Am. Amph. Rept. 469.1-469.7.

Peterson, R. T. 1990b. A field guide to western birds. Third edition. Houghton Mifflin Co., Boston. 432 pp.

Bates, B.M., R.W. Robinson, and C. Jeffrey, eds. 1990. The Biology and Utilization of the Curcurbitaceae. Cornell University Press, Ithaca NY. ca.

DeBruin, E. 1990. Field survey to Organ Mts, Fillmore Canyon on May 10, 1990.

Rosenburg, C. P. 1990a. Barn owl nest trays and boxes. Virginia Department Game and Inland. Fish. Educational sheet, Richmond, Virginia. Unpublished. 3 pp.

Allen, J. Tudek, B. (1990) Assorted Mexican Spotted Owl Forms. Silver City Ranger District, Gila National Forest, USFS. 83 p.

Gila National Forest. 1990. Reserve Ranger District Spotted Owl habitat description - form 2.

Sugg, D.W. 1990. Unpublished listing of amphibians specimens from MSB. 5 pp.

Brooks, B. L. and S. A. Temple. 1990a. Habitat availability and suitability for loggerhead shrikes in the Upper Midwest. Am. Midl. Nat. 123: 75-83.

Frederick, P. C., et al. 1990. Relative abundance and habitat preferences of least bitterns (IXOBRYCHUS EXILIS) in the Everglades. Florida Field Nat. 18:1-20.

Hardy, T. B., B. Bartz, and W. Carter. 1990. Instream flow recommendations for the fishes of Aravaipa Creek, Arizona. Submitted to the Nature Conservancy. Twelve-Nine, Inc., Logan, Utah.

Mehlhop, P. 1990. Field survey to Gray Ranch - Clanton Draw to Cloverdale to Larson. 22 Oct. 1990.

Morris, R. D., and J. Siderius. 1990. A treatment for prevention of hatching in field-incubated ring-billed gull eggs. J. Wildl. Manage. 54:124-130.

Ryberg. 1990. Pediomelum pentaphyllum. Memoirs of the New York Botanical Garden. 61:82-84.

Willey, D. W. 1990. Nesting success of San Clemente sage sparrows. Southwestern Naturalist 35:28-31.

Galeano - Popp, R. 1990. Unpub. notes from 90-11-05 phone conversation with David Ferguson re: Talinum humile with attached modem printout from USDA - Forest Service sensitive species file. 3 pp.

Scott, N.J. 1990. Unpublished listing of Rana species specimens at MSB. 2 pp. USFWS, UNM - Biology Dept., Albuquerque, NM 87131

Johnston, M.C. 1990. The vascular plants of Texas: A list, updating the manual of the vascular plants of Texas. 2nd edition. Privately published, Austin, Texas. 107 pp.

Barlow, P. 1990. Inventory of endangered flora, Naval Ordnance Missile Test Station, Sixteen Inch Gun and Beach Head Sites, White Sands Missile Range, Socorro and Sierra Counties, New Mexico.