Unknown (1990). Map for Survey for Hedeoma apiculatum, Aster laevis, Corypantha sneeedii. Guadalupe RD, Lincoln NF, USFS.

Kelly, S.K. (1990) Unpublished Letter to Regional Forester Subject: Owl Data Forms and Narrative (1989 and 1990). Silver City Ranger District, Gila National Forest, USFS. 81 p.

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

Daly, L. Parker, M. (1990) 1990 Mexican Spotted Owl Inventory Form. Sandia Ranger District, Cibola National Forest, USFS. 28 p.

Sivinski, B. and A. Cully. 1990. Element occurrence record for Coryphantha duncanii at Mud Mountain, NM.

DeBruin, E. 1990. Field map for Fillmore Canyon survey, May 1990.

Dijak, W. D., B. Tannenbaum, and M. A. Parker. 1990. Nest-site characteristics affecting success and reuse of red-shouldered hawk nests. Wilson Bull. 102:480-486.

Houston, C. S. 1990. Saskatchewan Swainson's hawks. Am. Birds 44:215-220.

Pattee, O. H., et al. 1990. Lead hazards within the range of the California condor. Condor 92:931-937.

Solis, D. M., Jr., and R. J. Gutierrez. 1990. Summer habitat ecology of northern spotted owls in northwestern California. Condor 92:739-748.

Cibola National Forest. 1990. Mexican Spotted Owl daytime follow-up visit form, survey for Mexican Spotted Owl.

Poagua, L. (1990) Unpublished Letter to Regional Forester, R-3, Subject: Spotted Owl Information Request (Your ltr. 6/7), Containing Multiple Mexican Spotted Owl Documents.Lincoln Supervisor's Office, Lincoln National Forest, USFS. 46 p.

Bleich, V. C., J. D. Wehausen, and S. A. Holl. 1990. Desert-dwelling mountain sheep: conservation implications of a naturally fragmented distribution. Conservation Biology 4:383-390.

Dragoo, J.W., J.R. Choate, T.L. Yates, and T.P. O'Farrell. 1990. Evolutionary and taxonomic relationships among North American arid-land foxes. Journal of Mammalogy. 71(3):318-332.

Haug, E. A., and L. W. Oliphant. 1990. Movements, activity patterns, and habitat use of burrowing owls in Saskatchewan. J. Wildl. Manage. 54:27-35.

Kirkland, G. L. Jr., and P. M. Krim. 1990. Survey of the statuses of the mammals of Pennsylvania. J. Pennsylvania Acad. Sci. 64(1):33-45.

Platz, J. E., et al. 1990. Rana berlandieri: recently introduced populations in Arizona and southeastern California. Copeia 1990:324-333.

Thies, M. and W. Claire. 1990. Association of Neotoma micropus nests with various plant species in southwestern Oklahoma. Southwest. Nat. 35(1):80-82.

Buskirk, J. R. 1990. Geographic distribution: Clemmys marmorata. SSAR Herpetol. Rev. 21(1):26.

Franklin, A. B., et al. 1990. Density of northern spotted owls in northwest California. J. Wildlife Management 54:1-10.

Jayne, P. 1990. Nutria: a menance to Maryland marshes. Tracks 'N Trails 6(1):1.

New Mexico Ornithological Society. 1990. NMOS Field Notes, 3/1/90-5/31/90. NMOS Field Notes. 29(2).

Safina, C. 1990b. Bluefish mediation of foraging competition between roseate and common terns. Ecology 71:1804-1809.

Waples, R. S., and D. J. Teel. 1990. Conservation genetics of Pacific salmon. I. Temporal changes in allele frequency. Conservation Biology 4:144-156.

Tostain, O., J.-L. Dujardin, C. Erard, and J.-M Thiollay. 1990. Oiseaux de Guyane. Société d'Etudes Ornithologiques, Brunoy, France.

Owen, R. D., R. K. Chesser, and D. C. Carter. 1990. The systematic status of TADARIDA BRASILIENSIS CYNOCEPHALA and Antillean members of the TADARIDA BRASILIENSIS group, with comments on the generic name RHIZOMOPS LEGENDRE. Occasional Papers of the Museum,

Debruin, E. 1990. Field notes on Mammilaria wrightii var. Wilcoxii, Gray Ranch - Black Bill Slope Macrosite. Natural Heritage New Mexico.

Cully, A. and R. Sivinski. 1990. Monitoring endangered plants. Performance report for 1989-1990 to U.S. Fish and Wildlife Service, Albuquerque, NM.

Mongold, R. 1990. Bird survey forms from Roger Mongold. Includes Filmore canyon, Dripping springs and Soladad arroyo. Dona Ana Co., NM. . 9 p.

Christiansen, J. L., B. J. Gallaway, and J. W. Bickham. 1990. Population estimates and geographic distribution of the yellow mud turtle (Kinosternon flavescens) in Iowa. Journal of the Iowa Academy of Science 97:105-108.

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.

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.

Collins, J. T. 1990. Standard common and current scientific names for North American amphibians and reptiles. 3rd ed. Society for the Study of Amphibians and Reptiles. Herpetological Circular No. 19. 41 pp.

Knapp, M. (1990) Unpublished letter to Doug Palmer, Associate Direct of Program at Philmount Scout Ranch, regarding fishery surveys. Carson Supervisor's Office, Carson National Forest, USFS.

Unkown (1990) Final Report For Mexican Spotted Owl Survey in the Blue Wilderness and Primitive Area. Contract Number 53-8399-0-0059. Retrieved from Silver City Ranger District, Gila National Forest, USFS. 6 p.

Daly, L. Parker, M. (1990) 1990 Mexican Spotted Owl Inventory Form. Sandia Ranger District, Cibola National Forest, USFS. 30 p.

Spellenberg, R. 1990. Report on a survey for threatened and endangered plant species in the vicinity of Burris Well, White Sands Missile Range, for the Directed Energy Weapons Test. 5 April 1990. 14 pp.

Mehlhop, P. 1990. Field survey to Gray Ranch - S. Animas Valley and Playa. 17 Aug. 1990.

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.

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

Daly, L. Parker, M. (1990) 1990 Mexican Spotted Owl Inventory Form. Sandia Ranger District, Cibola National Forest, USFS. 2 p.

Salas, D. Anderson, J. Romme, R. (1990) 1990 Annual Spotted Owl Report, Lincoln National Forest. Lincoln Supervisor's Office, Lincoln National Forest, USFS. 105 p.

Barrett, R. T., and W. Vader. 1990. The status and conservation of breeding seabirds in Norway. Pages 323-333 in Croxall et al., eds. Status and conservation of the world's seabirds. ICBP Tech. Pub. No. 2.

Blood, B. R. 1990. Taxonomy and distribution of Sigmodon in California. Bull. Southern California Acad. Sci. 89:86-93.

Eger, J. L. 1990. Patterns of geographic variation in the skull of Nearctic ermine (Mustela erminea). Can. J. Zool. 67:1241-1249.

Hoffman, R. A., and R. G. Wright. 1990. Fertility control in a non-native population of mountain goats. Northwest. Sci. 64:1-6.

Knorr, O. A., and M. S. Knorr. 1990. The black swift in the Chiricahua Mountains of Arizona. Southwest Nat. 35:559-560.

Platania, S. P. 1990. Reports and verified occurrence of logperches (Percina caprodes) and Percina macrolepida) in Colorado. Southwestern Naturalist 35:87-88.

Vives, S. P., and W. L. Minckley. 1990. Autumn spawning and other reproductive notes on loach minnow, a threatened cyprinid fish of the American southwest. Southwestern Naturalist 35:451-454.

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.