Castetter, R. 1990. Field survey to Gray Ranch - Deer Creek. 5, July, 1990.

Mehlhop, P. 1990. Field survey to Gray Ranch - Clanton Draw, just E. of Nat. Forest bdry. 16 Aug., 1990, 11pm night visit.

Dunmire, W.W. 1990. Biological inventory, Lonesome Ridge ACEC, Carlsbad Resource Area, Bureau of Land Management. Unpubl. report by The Nature Conservancy, NMFO. 53 p.

Painter, C. W. 1990. Game Birds of New Mexico. Compiled for the New Mexico Department of Game and Fish.

Bildstein, K. L., and M. W. Collopy. 1990. Northern harrier. Pages 70-7 in B. G. Pendleton (editor). Proc. Southeast raptor management symposium and workshop. National wildlife Federation, Washington, D. C.

Copeyon, C. K. 1990. A technique for constructing cavities for the the red-cockaded woodpecker. Wildl. Soc. Bull. 18:303-311.

Jones, J. M., and J. H. Whitham. 1990. Post-translocation survival and movement of metropolitan white-tailed deer. Wildl. Soc. Bull. 18:434-441.

Mehlhop, P. 1990. Field survey to Gray Ranch - S. Animas Valley and Playas Valley of August 18, 1990.

Medin, D. E. 1990. Birds of a shadscale (ATRIPLEX CONFERTIFOLIA) habitat in east central Nevada. Great Basin Nat. 50:295-298.

Porter, S.D. and D.A. Savignano. 1990. Invasion of polygyne fire ants decimates native ants and disrupts arthropod community. Ecology 71(6):2095-2106.

Van Daele, L. J., V. G. Barnes, Jr., and R. B. Smith. 1990. Denning characteristics of brown bears on Kodiak Island, Alaska. International Conference on Bear Research and Management 8:257-267.

Zeranski, J. D., and T. R. Baptist. 1990. Connecticut birds. Univ. Press of New England, Hanover, New Hampshire.

Dunmire, W. 1990. Dunmire plant collection unpublished notes on Amsonia tharpii collections. 1 p + map.

Poague, Lee. 1990. Argemone pleiacantha Management Plan. United States Forest Service (USFS) Regional Office, Albuquerque, NM. p. 16.

Eldridge, J.L. 1990. Management for migrating shorebirds on national wildlife refuges in the midwest. Bell Museum of Natural History, Univ. of Minnesota, Minneapolis. 17pp.

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.

Castetter, R. 1990. Field survey to Gray Ranch - Deer Creek. 6, July, 1990.

Mehlhop, P. 1990. Field survey to Gray Ranch - Tank E. of mouth of Indian Creek Canyon on bajada. 18 Aug. 1990.

Beane, J. C. and S. L. Alford. 1990. Destruction of a Pine Warbler brood by an adult cowbird. The Chat 54:85-7.

DeBruin, E. 1990. Field survey to Organ Mts, North Canyon, for Oenothera organensis. Sept 7, 1990.

Williams, C. M. 1990. Graduate student, Arizona State University, Tempe, AZ.

Bowditch, J. 1990. A way to stop crow and owl predation at purple martin houses. Purple Martin Update 2(3):8-9.

Ganey, J. L. 1990. Calling behavior of spotted owls in northern Arizona. Condor 92:485-490.

Kirkpatrick, J. F., I. K. M. Liu, and J. W. Turner, Jr. 1990. Remotely-delivered immunocontraception in feral horses. Wildl. Soc. Bull. 18:326-330.

Pitocchelli, J. 1990. Plumage, morphometric, and song variation in mourning (OPORORNIS PHILADELPHIA) and MacGillivray's (O. TOLMIEI) warblers. Auk 107:161-171.

Scott, T. A., and M. L. Morrison. 1990. Natural history and management of the San Clemente loggerhead shrike. Western Foundation of Vertebrate Zoology, Proceedings 4:23-57.

Gold, I. 1990. Threatened and endangered plant observation. observation form for Gilia formosa 10 Oct. 1990. 1 page & map.

Spellenberg, R.. 1990. Unpublished letter to Bill Dunmire of the NM Nature Conservancy regarding type specimens of Senecio spellenbergii, dated 28 Feb 1990. 3 p.

Cely, J. E. and J. A. Sorrow. 1990. The American Swallow-tailed Kite in South Carolina. Nongame and Heritage Trust Fund Publication 1. South Carolina Wildlife and Marine Resources Department, Columbia, South Carolina.

Bednarz, J. C., D. Klem Jr., L. J. Goodrich, and S. E. Senner. 1990. Migration counts of raptors at Hawk Mountain, Pennsylvania, as indicators of population trends, 1934-1986. The Auk 107:96-109.

Carpenter, T. W., A. L. Carpenter, and S. R. Smith. 1990. Spring migration of blue jays at Whitefish Point, Michigan, as studied through banding. J. Field Ornithol. 61:419-425.

Garrot, R. A., and L. Taylor. 1990. Dynamics of a feral horse population in Montana. J. Wildl. Manage. 54:603-612.

Johnson, C. E., and J. S. Ramsey. 1990. Redescription of Semotilus thoreauianus Jordan, 1877, a cyprinid fish of the southeastern United States. Copeia 1990:119-130.

MacArthur, R. A., and A. P. Dyck. 1990. Aquatic thermoregulation of captive and free-ranging beavers (Castor canadensis). Canadian Journal of Zoology 68:2409-2416.

Sauer, J. R., and S. Droege. 1990. Recent population trends of the eastern bluebird. Wilson Bull. 102:239-252.

Williams, L. R., and G. N. Cameron. 1990. Intraspecific response to variation in food resources by Attwater's pocket gopher. Ecology 71:797-810.

Toepfer, J.E., R.L. Eng, and R.K. Anderson. 1990. Translocating prairie grouse: what have we learned? Transactions of the 55th North American Wildlife & Natural Resource Conference: 569-579.

Bock, C. E., H. M. Smith, and J. H. Bock. 1990. The effect of livestock grazing upon abundance of the lizard, Sceloporus scalaris, in southeastern Arizona. J. Herpetol. 24:445-446.

Dickerman, R. W. 1990. Geographic variation in the juvenal plumage of the common nighthawk (CHORDEILES MINOR) in North America. Auk 107:610-613.

Gutierrez, R. J., and J. Pritchard. 1990. Distribution, density, and age structure of spotted owls on two southern California habitat islands. Condor 92:491-495.

Machado, C. G. 1990. Vireo olivaceus (Vireonidae): uma espécie migratória nos bandos mistos de aves na Mata Atlântica do sudeste brasileiro. Ararajuba 1.

Plummer, M. V. 1990. Nesting movements, nesting behavior, and nest sites of green snakes (Opheodrys aestivus) revealed by radiotelemetry. Herpetologica 46:190-195.

Sinervo, B. 1990. The evolution of maternal investment in lizards: an experimental and comparative analysis of egg size and its effects on offspring performance. Evolution 44:279-294.

S90SCOSBNMUS, Legacy reference. Physical copy not yet located.

Hatch, S.L., K.N. Gandhi, and L.E. Brown. 1990. Checklist of the vascular plants of Texas. Texas Agricultural Experiment Station, College Station. 158 pp.

Argus, G.W. and K.M. Pryer. 1990. Rare Vascular Plants of Canada. Our Natural Heritage. Canadian Museum Nature. Ottawa. 191+ 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.

Faber, R. A. 1990. Nesting Ecology of the black tern on the Upper Mississippi River National Wildlife and Fish Refuge and the Trempealeau National Wildlife Refuge. unpublished Final Report for FWS Grant Agreement No. 14-16-0003-90-951.

Pereyra, M. E. 1990. Factors affecting nestling development and thermal regulation in the Dusky Flycatcher (Empidonax oberholseri). M.A. Thesis, Occidental College, Los Angeles.

Bock, C.E., er.al. 1990. The effects of livestock grazing upon abundance of the lizard Sceloporus Scalaris, in southeastern Arizona. Jour. of Herp. 24(4):445-446.

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

Dunn, J. L., and K. L. Garret. 1990. Identification of ruddy and common ground-doves. Birding 22:138-145.

Kaufman, K., 1990. The practiced eye: Common Merganser and Red-breasted Merganser. American Birds 44(5):1203-1205.

Mehlhop, P. 1990. Field survey to Gray Ranch - high talus north of Brushy Peak, west facing of August 20, 1990.

Menkens, G. E., Jr., D. E. Biggens, and S. H. Anderson. 1990. Visual counts as an index of white-tailed prairie dog density. Wildl. Soc. Bull. 18:290-296.

Rea, A. M., and K. L. Weaver. 1990. The taxonomy, distribution, and status of coastal California cactus wrens. Western Birds 21:81-126.

Varela-Romero, A., C. Galindo-Duarte, E. Saucedo-Monarque, L.S. Anderson, P. Warren, S. Stefferud, J. Stefferud, S. Rutman, T. Tibbits and J. Malusa. 1990. Re-discovery of Gila intermedia and Gila purpurea in northern Sonora, Mexico. Proceedings of the De