Reitsma, L. R., R. T. Holmes, and T. W. Sherry. 1990. Effects of removal of red squirrels, TAMIASCIURUS HUDSONICUS, and eastern chipmunks, TAMIAS STRIATUS, on nest predation in a northern hardwood forest: an artificial nest experiment. Oikos 57:375-380.

Wells, H., W. Mason and J. R. Stewart. 1990. Prairie dog food preference and the photosynthetic pathway-selective herbivory hyptothesis. Bull. South. Calif. Acad. Sci. 89:97-108.

Wakeley, J. S., T. H. Roberts, and C. O. Martin. 1990. Auditory survey methods. Section 6.3.5, U.S. Army Corps of Engineers Wildlife Resources Management Manual. Tech. Rep. EL-90-7. Waterways Expt. Station, Vicksburg, Mississippi. 34 pp.

DeBusk, Will E. ("for the Commander Army Materiel Test and Eval"). No date, assumed 1990. Memorandum for EL-N, Subject: Threatened and endangered plant species (T&E) survey conducted at Small Missile Range (SMR) Kinetic Energy Missile (KEM) Test Program.

Olenick, B. 1990. Breeding biology of burrowing owls using artificial nest burrows in Southeastern Idaho. M.S. thesis, Idaho State University, Pocatello, ID.

U.S. Fish and Wildlife Service (USFWS). 1990. American woodcock management plan. USFWS, Office of Migratory Bird Management. 11 pp.

Lightfoot & Muldavin Associates. 1990. Final report of a biological survey for the proposed Aerial Cable Test Capability preliminary draft Environmental Impact Statement. 17 September 1990. 123 pp.

Parker, A. R., and J. S. Castrale. 1990. Barn owl survey and management efforts in 1989. Wildl. Manage. and Res. Notes No. 484. Indiana Department of Natural Resources, Indianapolis, Indiana. 9 pp.

Unknown (1990) Field notebook pertaining to Oncorhynchus clarkii virginalis in Rito Angostura. Retrieved from Regional Office, USFS. 5 p.

Berna, H.J. 1990. Seven bat species from the Kaibab Plateau, Arizona, with a new record of Euderma maculatum. Southwest. Nat. 35(3):354-356.

DeBruin, E. 1990. Field survey to Soledad Canyon, Organ Mts. Sept 28, 1990.

Boyce, M. S., and L. L. Irwin. 1990. Viable populations of spotted owls for management of old growth forests in the Pacific Northwest. Pages 133-135 in Mitchell et al., eds. Ecosystem management: rare species and significant habitats. New York State Mus.

Gaston, A. J. 1990. Population parameters of the ancient murrelet. Condor 92:998-1011.

Klott, J. H., and F. G. Lindzey. 1990. Brood habitats of sympatric sage grouse and Columbian sharp-tailed grouse in Wyoming. J. Wildl. Manage. 54:84-88.

Porter, S. E. 1990. Impacts of development on saltmarshes. Maritmes 34:7-8.

Sedgewick, J. A., and F. L. Knopf. 1990. Habitat relationships and nest site characteristics of cavity nesting birds in cottonwood floodplains. Journal of Wildlife Management 54(1):112-124

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.

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.

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.

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.

S90SCOSBNMUS, Legacy reference. Physical copy not yet located.

Gibbons, J. W. 1990. Life history and ecology of the slider turtle. Smithsonian Inst. Press, Washington, D.C. xiv + 368 pp.

Castetter, R. 1990. Field survey to Gray Ranch - Cottonwood Grove. 5, July, 1990.

Mehlhop, P. 1990. Field notes from field notebook on animal survey of the Organ Mts, Ice canyon, Ft. Bliss, Sept 4, 1990.

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

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.

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.

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.

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

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.

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.

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

Malaby, S.M. and S. Wood. 1990. Interim Management Plan for Argemone pleiacantha ssp. pinnatisecta, Lincoln National Forest, Region 3, US Forest Service. . 11+ p.

Unknown (1990) Final Report for Mexican Spotted Owl Survey in the Gila Wilderness, Contract Number 53-8399-0-0059. Retrieved from Silver City Ranger District, Gila National Forest, USFS. 22 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.

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.

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.

Hershberger, W. 1989. Loggerhead shrike survey 1990 (LANIUS LUDOVICIANUS), Frederick and Washington counties of Maryland. Unpubl. report, Maryland Natural Heritage Program, Annapolis, Maryland.