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.

Falvey, B. Hall, B. (1990) 1990 Mexican Spotted Owl Inventory Form and Maps. Sandia Ranger District, Cibola National Forest, USFS. 12 p.

Santa Fe National Forest. 1990. Field forms and maps for Northern Goshawk nest and territory monitoring for 1990.

Abeyta, A. 1990. 1990 Mexican Spotted Owl Inventory Form

Boyce, M. B., R. K. Clark and D. J. Jessop. 1990. Recent advances in the diagnosis and treatment of psoroptic scabies in bighorn sheep. Biennial Symposium of the Northern Wild Sheep and Goat Council 7:125-128.

Duvall, D., M. J. Goode, W. K. Hayes, J. K. Leonhardt, and D. Brown. 1990. Prairie rattlesnake vernal migrations: field experimental analyses and survival value. National Geographic Research 6:457-469.

Kimmel, J. T. and R. H. Yahner. 1990. Response of northern goshawks to taped conspecific and great horned owl calls. Journal of Raptor Research 24:107-112.

Mehlhop, P. 1990. Field survey to Gray Ranch - S. facing talus near head of Black Bill Canyon. August 20, 1990.

Miller, B. K. 1990. Factors affecting survival of transplanted eastern wild turkeys in Indiana. Wildl. Soc. Bull. 18:65-70.

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.

Dunmire, W.W. 1990. An investigation of biological resources focusing on plant and animal communities with recommendations for future management actions. Biological inventory, Black River Acquisition Area, Carlsbad Resource Area. Prepared for BLM by TNC F

Propst, D.L. (1990) 1990 New Mexico Fish Community Monitoring Study. Retrieved from Silver City Ranger District, Gila National Forest, USFS. 23 p.

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

Advanced Sciences, Inc. 1990. Threatened and endangered species survey at the ABC-1 Tank Impact Area. WSMR Environmental Services Report no. EA-03-88, prepared under WSMR Contract DAAD07-90-C-0018, Work Assignment Order 200-11. 5 October 1990. . 13 p.

Museum of Southwest Biology. 1990. Unpublished listing of mammal species specimens from Hidalgo County at MSB. Database print-out.

Wessman, L. 1990. Survey trip for Astragalus kerrii. Unpub. letter and map to USFS, Cloudcroft Ranger District, Forest Threatened and Endangered Plant Coordinator, John Connors, on 18 May 1990. 2 pp. + map.

DeBruin, E. 1990. Field survey to Organ Mts, Spring 1990.

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

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

Sugg, D.W.. 1990. Unpublished listing of reptile specimens from Museum of Southwestern Biology (MSB). . 19 p.

Fischer, T.F. 1990. Revision of species inventory checklists for Sandia National Laboratories, Albuquerque Bernalillo County New Mexico. Albuquerque, NM: Sandia National Laboratores; Contractor Report SAND90-7098. 40 p.

Benkman, C. W. 1990. Intake rates and the timing of crossbill reproduction. Auk 107:376-386.

Cavanagh, P. M. 1990. Above-ground nesting by burrowing owls. J. Raptor Res. 24:68-69.

Garrison, B.A. 1990. Trends in winter abundance and distribution of Ferruginous Hawks in California. Trans. West. Sec. Wildl. Soc. 26:51-56.

Johnston, R. F., and S. G. Johnson. 1990. Reproductive ecology of feral pigeons. Pages 237-252 in J. Pinowski and J. D. Summers-Smith, editors. Granivorous birds in the agricultural landscape. Polish Scientific Publisher, Warszawa. 360 pp.

Max, T. A., R. A. Souter, and K. A. O'Halloran. 1990. Statistical estimators for monitoring spotted owls in Oregon and Washington in 1987. U.S. Forest Service Research Paper PNW-420. 13 pp.

Smith, G. W. 1990. Home range and activity patterns of black-tailed jackrabbits. Great Basin Naturalist 50:249-256.

Wilson, S. D. and J. M. Shay. 1990. Competition, fire, and nutrients in a mixed-grass prairie. Ecology 71:1959-67.

U.S. Fish and Wildlife Service (USFWS). 1990. Endangered and threatened wildlife and plants. Federal register 55(35):6190. February 21.

DeMarais, B. D. 1990. Graduate student. Arizona State University, Tempe, AZ. Personal communication, April 19, 1990.

Bouta, R. P., and R. E. Chambers. 1990. Status of threatened spruce grouse populations in New York: a historical perspective. Pages 82-91 in Mitchell et al., eds. Ecosystem management: rare species and significant habitats. New York State Mus. Bull. 471.

Dolbeer, R. A. 1990. Ornithology and integrated pest management: red-winged blackbirds AGELAIUS PHOENICEUS and corn. Ibis 132:309-322.

Hagan, J. M., III, and J. R. Walters. 1990. Foraging behavior, reproductive success, and colonial nesting in ospreys. Auk 107:506-521.

Manser, P. 1990. The clapper rail (RALLUS LONGIROSTRIS). Gosse Bird Club Broadsheet 55:9-10.

Prescott, D. R. C., and A. L. A. Middleton. 1990. Age and sex differences in winter distribution of American goldfinches in eastern North America. Ornis Scandinavica 21:99-104.

Smith, A. T., and M. L. Weston. 1990. Ochotona princeps. Am. Soc. Mamm., Mammalian Species No. 352:1-8.

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 on 6 July 1990.

Muldavin, E. 1990. Community field survey to the Organ Mountains, Sept. 4, 1990 to Sept. 28, 1990.

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.