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Schwarz, H. (1993) Gray Vireo on Eggs in the Mananita Foothills. Retrieved from Guadalupe Ranger District, Lincoln National Forest, USFS. 1 p.

England, A.S., and W.F. Laudenslayer, Jr. 1993. Bendire's Thrasher (TOXOSTOMA BENDIREI). In A. Poole and F. Gill, editors, The Birds of North America, No. 71. Academy of Natural Sciences, Philadelphia, and American Ornithologists' Union, Washington, DC. 1

Benkman, C. W. 1993b. The evolution, ecology, and decline of the red crossbill in Newfoundland. Am. Birds 47(2):225-229.

Dixon, J. R., and A. A. Yanosky. 1993. A microchip marking system for identification of caiman hatchlings. Bull. Maryland Herp. Soc. 29(94):156-9.

Johnson, O. W. 1993. The Pacific golden-plover (PLUVIALIS FULVA): discovery of the species and other historical notes. Auk 110:136-141.

Sample, B. E., R. J. Cooper, and R. C. Whitmore. 1993. Dietary shifts among songbirds in a diflubenzuron-treated forest. Condor 95:616-24.

Tigner, J. and W. C. Aney. 1993. Report of northern Black Hills bat survey. Unpublished report prepared for U.S. Forest Service, Deadwood, South Dakota.

Bildstein, K. L. 1993. White ibis: wetland wanderer. Smithsonian Institution Press, Washington, D.C. xiii + 242 pp.

Benitez-Diaz, H. 1993. Geographic variation in coloration and morphology of the acorn woodpecker. Condor 95:63-71.

Giesen, K.M., and I.W. Connelly. 1993. Guidelines for management of Columbian sharp-tailed grouse habitats. Wildlife Society Bulletin 21(3):325-333.

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Bacorn, J. Burns, B. (1993) Collected 1993 Mexican Spotted Monitoring Forms. Silver City Ranger District, Gila National Forest, USFS.

Gaston, A. J. 1993. Status report on the ancient murrelet SYNTHLIBORAMPHUS ANTIQUUS in Canada. Committee on the Status of Endangered Wildlife in Canada (COSEWIC), Ottawa, ON. 43 pp.

McMillan, K. (1993) Information Survey Data for U.S. Forest Service Habitat Conservation Assessment, Inland Cutthroat Trout. Retrieved from Regional Office, USFS. 7 p.

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Hafner, David J. 1993. North American pika (Ochotona princeps) as a Late Quaternary biogeographic indicator species. Quaternary Research. 39:373-380.

Custer, C. M. 1993. Life history traits and habitat needs of the redhead. Part 13.1.11 of Waterfowl management handbook. 7 pp.

Bacon, J.R. 1993. ACTC Environmental Monitoring Report No. 7: biological survey of ACTC proposed instrumentation sites. Physical Science Laboratory. 19 April 1993. 13 pp.

Lincoln National Forest. 1993. Northern Goshawk Field Forms & Maps.

McMillan, K. (1993) Information Survey Data for U.S. Forest Service Habitat Conservation Assessment, Inland Cutthroat Trout. Retrieved from Regional Office, USFS. 5 p.

Williams, S.O. 1993. Willow flycatcher survey detection and nest site data forms developed by partners in flight to establish occurrence of Empidonax traillii extimus in NM. Summary added by S.O. Williams III, NM Dept Game and Fish.

Nagorsen, D. W., and R. M. Brigham. 1993. Bats of British Columbia. Vol. I. The Mammals of British Columbia. UBC Press, Vancouver, 164 pp.

Burger, J. 1993. Shorebird squeeze. Natural History 5/93, pp. 8-14.

U.S. Fish and Wildlife Service (USFWS). 1993. Proposed determination of critical habitat for the Mojave Desert population of the desert tortoise. Federal Register 58(166):45756-45768. 30 August 1993.

Maisonneuve, C. 1993. Is population decline in short-billed dowitchers, LIMNODROMUS GRISEUS, related to hydroelectric projects? Can. Field-Nat. 107:253-255.

Ostfeld, R. S., M. C. Miller, and J. Schnurr. 1993. Ear tagging increases tick (IXODES DAMMINI) infestation rates of white-footed mice (PEROMYSCUS LEUCOPUS). J. Mamm. 74:651-655.

Burns, B. (1993) Collected 1993 Mexican Spotted Owl Monitoring Forms. Silver City Ranger District, Gila National Forest, USFS. 16 p.

Gredell, A.J. 1993. 1993 Mexican Spotted Owl formal monitoring and inventory report: Mt. Taylor Ranger District. 56 p.

Steele, B. B. 1993. Selection of foraging and nesting sites by black-throated blue warblers: their relative influence on habitat choice. Condor 95:568-579.

McMillan, K. (1993) Information Survey Data for U.S. Forest Service Habitat Conservation Assessment, Inland Cutthroat Trout. Retrieved from Regional Office, USFS. 6 p.

Reichenbacher, F.W., et al. 1993. Status report for Eriogonm capillare. 32 p.

Thomas, J.W., et al. 1993. Viability Assessments and Management Considerations for Species Associated with Late-Successional and Old-Growth Forests of the Pacific Northwest. USDA, National Forest System, Forest Service Research, Portland, OR.

Browning, M. R. 1993. Comments on the taxonomy of Empidonax traillii (Willow Flycatcher). Western Birds 24:241-257.

U.S. Fish and Wildlife Service (USFWS). 1993. Notice of finding on a petition to delist the grizzly bear in the Northern Continental Divide ecosystem, the Cabinet-Yaak ecosystem, the Selkirk ecosystem, and the North Cascades ecosystem. Federal Register 58

Bacorn, J., et al. 1993. Plant/animal occurrence record - cooperator forms and maps for Trifolium longipes var neurophyllum and Allium gooddingii. Gila NF, Summer 1993.

Keller, C. M. E., C. S. Robbins, and J. S. Hatfield. 1993. Avian communities in riparian forests of different widths in Maryland and Delaware. Wetlands 13:137-144.

Rumble, M. A., and S. H. Anderson. 1993. Habitat selection of Merriam's turkey (MELEAGRIS GALLOPAVO MERRIAMI) hens with poults in the Black Hills, South Dakota. Great Basin Nat. 53:131-136.

Wenney, D. G., R. L. Clawson, J. Faaborg, and S. L. Sheriff. 1993. Population density, habitat selection, and minimum area requirements of three forest-interior warblers in central Missouri. Condor 95:968-979.

Gardner, M. 1993. Allium gooddingii Draft Managment Plan. United States Department of Agriculture. USFS.

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Schemnitz, S. D. 1993. Scaled quail habitats revisited - Oklahoma panhandle. Proceedings of the National Quail Symposium III:143-147.

Gibbs, J. P. 1993. Personal communication.

Etnier, D. A., and W. C. Starnes. 1993. The fishes of Tennessee. University of Tennessee Press, Knoxville, Tennessee. xiv + 681 pp.

Greenberg, R., D.K. Niven, S. Hopp, and C. Boone. 1993. Frugivory and coexistence in a resident and migratory vireo on the Yucatan peninsula. Condor 95:990-999.

Miles, A. K., and H. M. Ohlendorf. 1993. Environmental contaminants in canvasbacks wintering on San Francisco Bay, California. California Fish & Game 79:28-38.

Tappe, P. A., and R. M. Whiting, Jr. 1993. Discrimination between constant-zero and non-zero survey routes on singing grounds of the American woodcock in eastern Texas. Pages 32-35 in J. R. Longcore and G. F. Sepik, editors. Proceedings of the eighth Amer

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