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.

Heinrich, J. W., and S. R. Craven. 1990. Evaluation of three damage abatement techniques for Canada geese. Wildl. Soc. Bull. 18:405-410.

Larter, N. C., and C. C. Gates. 1990. Home ranges of wood bison in an expanding population. J. Mamm. 71:604-607.

Mehlhop, P. 1990. Field survey to Gray Ranch - Cienegas at mouth of Clanton Draw, S of TNC - hq. 17 Aug. 1990.

Noble, D. G. and J. E. Elliott. 1990. Levels of contaminants in Canadian raptors, 1966 to 1988; Effects and temporal trends. Can. Field-Nat. 104:222-243.

Smith, J. P., S. W. Hoffman, J. A. Gessaman. 1990. Regional size differences among fall-migrant accipiters in North America. J. Field Ornithol. 61:192-200.

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Rinne, J.N. (1990) Unpublished USDA Forest Service Memo Conrtaining Estimated Fish Counts for Multiple Sites.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.

Mello, M.J. 1990. Documentation of new habitats for Papaipema sulphurata and survey of known colonies to determine population stability. Prepared for Massachusetts Natural Heritage & Endangered Species Program. 7pp.

Unknown (1990) Data From Flagstaff RM. Retrieved from Silver City Ranger District, Gila National Forest, USFS. 2 p.

Dixon, K. L. 1990. Constancy of margins of the hybrid zone in titmice of the PARUS BICOLOR complex in coastal Texas. Auk 107:184-188.

Jackson, D. D. 1990. Orangetooth is here to stay. Audubon, July 1990, pp. 89-94.

Paton, P. W. C., and Edwards. 1990. Status and nesting ecology of the snowy plover at Great Salt Lake--1990. Utah Birds 6(4):49-66.

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

Strong, P. I. V. 1990. The suitability of the common loon as an indicator species. Wildl. Soc. Bull. 18:257-261.

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

Bennett, W. A. 1990. Scale of investigation and the detection of competition: an example from the house sparrow and house finch introductions in North America. Am. Nat. 135:725-747.

Cohn, J. P. 1990. Endangered wolf population increases. BioScience 40(9):628-632.

Glenn, J. L., R. C. Straight, and J. W. Sites, Jr. 1990. A plasma protein marker for population genetic studies of the desert tortoise (XEROBATES AGASSIZI). Great Basin Naturalist 50:1-?.

Jones, J. K., Jr., and R. W. Manning. 1990. Additional comments on big brown bats (Eptesicus fuscus) from northwestern Texas. Southwest. Nat. 35:342-343.

McCaskie, G., et al. 1990. Notes on identifying arctic and Pacific loons in alternate plumage. Birding 22:70-73.

Stahlecker, D.W. and J.J. Rawinski. 1990. First records for the boreal owl in New Mexico. The Condor 92:517-519.

Baltosser, W.H. and T.L. Best. 1990. Seasonal occurrence and habitat utilization by lizards in southwestern New Mexico. Southwest. Nat. 35(4):377-384.

Chamberlain-Auger, J. A., P. J. Auger, and E. G. Strauss. 1990. Breeding biology of American crows. Wilson Bull. 102:615-622.

Frazer, C., J. R. Longcore, and D. G. McAuley. 1990b. Home range and movements of postfledging American black ducks in eastern Maine. Can. J. Zool. 68:1288-1291.

Johnson, P. W. 1990. Black swift (CYPSELOIDES NIGER) nesting in the Jemez Mountains of New Mexico. New Mexico Ornithol. Soc. Bull. 18:13-15.

Noble, P. L. 1990. Distribution and density of owls at Monte Bello Open Space Preserve, Santa Clara County, California. Western Birds 21:11-16.

Schoen, J. W., and M. D. Kirchhoff. 1990. Seasonal habitat use by Sitka black-tailed deer on Admiralty Island, Alaska. J. Wildl. Manage. 54:371-378.

Watt, D. J., and A. M. Dimberio. 1990. Structure of successful nests of the American goldfinch (CARDUELIS TRISTIS). J. Field Ornithol. 61:413-418.

Novak, P. G. 1990. Population status of the black tern (CHLIDONIAS NIGER) in New York state, 1989. New York Sate Dept. of Environmental Conservation, Division of Fish and Wildlife, Nongame Unit, Delmar, NY. 30 pp.

Kaufman, K. 1990. A field guide to advanced birding. Houghton Mifflin Co., Boston. xiv + 299 pp.

Castetter, R. 1990. Field survey to Gray Ranch - Deer Creek. 8 July, 1990.

Mehlhop, P. 1990. Field survey to Gray Ranch - Lard Tank, Playas Valley. 23 Sept. 1990.

Sibley, Charles G. and Burt L. Monroe, Jr. 1990. Distribution and Taxonomy of Birds of the World. Yale University Press. New Haven, Connecticut and London. 1111pp.

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

Church, K.E. and W.F. Porter. 1990. Winter and spring habitat use by gray partridge in New York. J. of Wildlife Management 54:653-657.

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.

Hoffman, R. M. 1990. Birds of Wisconsin's deep marshes and shallow open-water communities. Passenger Pigeon 52(3): 259- 272.

Propst, D. L. 1990. Non-game Biologist. New Mexico Department of Game and Fish, Sante Fe, NM.

LeGrand, H. 1990. Bewick's wren. In Lee, D. S. and J. F. Parnell (eds.). Endangered, threatened, and rare fauna of North Carolina. Part III. A re-evaluation of the birds. Occasional Papers of the NC Biological Survey: 1990-91.

Castetter, R. 1990. Field survey to Gray Ranch - Deer Creek. 7 July, 1990.

Mehlhop, P. 1990. Field survey to Gray Ranch - High Lonesome Well, Playas Valley. 17 Aug. 1990.

Noon, B., and C. M. Biles. 1990. Mathematical demography of spotted owls in the Pacific Northwest. J. Wildl. Manage. 54:18-27.

Stahlecker, D. W., and J. J. Rawinski. 1990. First records for the boreal owl in New Mexico. Condor 92:517-519.

O'Brien, M. 1990. Gray ranch sightings. Unpublished map sent to NMNHP.

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

Morrow, Patrick. 1990. Memorandum for STEWS-EL-N (200-2w), Subject: KEM Camera Site coordination effort by EL-N, 16 Feb 90. 7 pp.

West, S. 1990. Fall 1990 report on birds of Gray Ranch. Unpubl. report for the Nature Conservancy (New Mexico Natural Heritage Program) dated 1 Aug. - 30 Nov 1990. 12 p.

Dowling, T. E. 1990. Assistant professor. Arizona State University, Tempe, AZ.

Doroff, A. M., and L. B. Keith. 1990. Demography and ecology of an ornate box turtle (TERRAPENE ORNATA) population in south-central Wisconsin. Copeia 1990:387-399.

Janacek, L. L. 1990. Genic variation in the PEROMYSCUS TRUEI group (Rodentia: Cricetidae). J. Mamm. 71:301-308.

Patterson, M. E., J. D. Fraser and J. W. Roggenbuck. 1990. Piping plover ecology, management and research needs. Virginia Jour. Sci. 41(4A):419-26.

Unknown (1990) Map of Survey for Sopora gypsohila var. guadalupensis. Retrieved from Guadalupe Ranger District, Lincoln National Forest, USFS. 2 p.

Swennen, C. 1990. Dispersal and migratory movements of eiders SOMATERIA MOLLISSIMA breeding in the Netherlands. Ornis Scand. 21:17-27.

Knight, Paul J., et al. 1990. An Environmental Assessment of the Ova Noss Family Partnership Expedition into Victorio Peak. ECoPlan, Inc. and Human Systems Research, Inc. Control number EA-00990, work request #FEA0337OP. 153 pp.

Van Devender, R. 1990. Letter to Sue Rutman, U.S. Fish and Wildlife Service, with historic location of Pediomelum pentaphyllum.