DeBruin, E. 1991. Field survey to Fort Stanton ACEC - Stop #7 23 May, 1991.

DeBruin, E. 1991. Field survey to Farmington Resource Area-plot #25 on 9 May 1991.

Smith, D.G. 1991. Keys to the Freshwater Macroinvertebrates of Massachusetts. D.G. Smith, Amherst, Massachusetts. 236 pp.

Hands, H.M., M.R. Ryan and J.W. Smith. 1991. Migrant shorebird use of marsh, moist-soil, and flooded agricultural habitats. Wildl. Soc. Bull. 19:457- 464.

Montopoli, G. J., and D. A. Anderson. 1991. A logistic model for the cumulative effects of human intervention on bald eagle habitat. J. Wildlife Management 55:290-293.

Schweitzer, Dale F. 1991. The hickory feeding Catocala (Lepidoptera:Noctuidae) fauna in the absence of Carya ovata in southern New Jersey. Ent. News 102(4):165-172.

Cadman, M. D. 1991. Updated status report on the Loggerhead Shrike (eastern population) LANIUS LUDOVICIANUS MIGRANS, in Canada. Committee on the Status of Endangered Wildlife in Canada (COSEWIC). 26 pp.

Tacha, T. C., et al. 1991. Migration patterns of the Mississippi Valley population of Canada geese. J. Wildl. Manage. 55:94-102.

Mahrt, M. and J.R. Bacon. 1991. Inventory of listed species joint task force six operations Luna, Dona Ana, and Hidalgo counties, New Mexico. Unpub. report for U.S. Army Corp of Engineers, Albuquerque district and Joint Task Force Six, Fort Bliss, TX.

Southwestern Field Biologists. 1991. August 12, 1991 inventory of Mexican Spotted Owl ( Strix occidentalis lucida Nelson) in the Gila NF, Wilderness District.

MacLean, D. C., et al. 1991. Nesting biology, habitat use, and inter-colony movements of the least tern (Sterna antillarum) on Long Island, N.Y. The Seatuck Research Program in cooperation with the New York State Dept. of Environ. Conserv. 70 pp.

Anderson, J. (1991) 1991 Mexican Spotted Owl Inventory Form. Sandia Ranger District, Cibola National Forest, USFS. 2 p.

Halterman, M. D. 1991. Distribution and habitat use of the yellow-billed cuckoo (Coccyzus americanus occidentalis) on the Sacramento River, California, 1987-1990. Masters thesis, California State University, Chico.

McCracken, J. D. 1991. Status report on the Louisiana waterthrush SEIURUS MOTACILLA in Canada. Committee on the Status of Endangered Wildlife in Canada (COSEWIC). 22 pp.

Stumpff, B. 1991. Memorandum, Department of Game and Fish. Subject: Fish Migration Barrier Surveys. USFS.

Clayton, P. 1991. Field survey to Ball Ranch - Stop #11 on 23 July 1991.

DeBruin, E. 1991. Field survey to Farmington Resource Area-Kutz Canyon-stop #6A on 24 April 1991.

DeBruin, E. Oct 1991. Special plant survey form, NM for Coryphantha organensis in the Organ Mts.

DeBruin, E. 1991. Field survey to Fort Stanton ACEC - Stop #27 24 May, 1991.

DeBruin, E. 1991. Field survey to Farmington Resource area-plot #24 on 9 May 1991.

Reed, S. and P. Hyder 1991. USGS San Patricio 7.5' topo map with Mammillaria heyderii from 22 May 1991 field survey for TNC.

Mehlhop, P. 1991. Field survey of August 26,1991 to Mound Spring, White Sands MIssile Range.

Anthony, R. M., P. L. Flint, and J. S. Sedinger. 1991. Arctic fox removal improves nest success of black brant. Wildl. Soc. Bull. 19:176-184.

Engeman, R. M., D. L. Campbell, and J. Evans. 1991. An evaluation of two activity indicators for use in mountain beaver burrow systems. Wildl. Soc. Bull. 19:413-416.

Gerhardt, R. P., M. A. Vasquez, and D. M. Gerhardt. 1991. Breeding biology, food habits, and siblicide of swallow-tailed kites. Pages 65-71 in Maya Project, Progress Report 4 (D. F. Whitacre, W. A. Burham, and J. P. Jenny, eds.). The Peregrine Fund, Boise

Ingold, D.J. 1991. Nest-site fidelity in Red-headed and Red-bellied Woodpeckers. Wilson Bulletin 103(1):118.

Phillips, R. L., J. L. Cummings, and J. D. Berry. 1991. Responses of breeding golden eagles to relocation. Wildl. Soc. Bull. 19:430-434.

Seidel, M. E., and W. M. Palmer. 1991. Morphological variation in turtles of the genus Pseudemys (Testudines: Emydidae) from central Atlantic drainages. Brimleyana 17:105-135.

Wilson, U. W. 1991e. Responses of three seabird species to El Nino events and other warm water episodes on the Washington coast, 1979-1990. Condor 93:853-858.

Anderson, D.L. 1991. Plant collection log sheet for ^&Talinum longipes - log #41: Mockingbird Gap. 25 July 1991.

Fisher, R.E. 1991. Notes from phone conversation with Margaret Estabrook of the Reserve Ranger District, Gila National Forest on 7 Oct 1991.

Madrid, R. (1991) 1991 Mexican Spotted Owl Daytime Follow-up Visit Forms. Silver City Ranger District, Gila National Forest, USFS. 6 p.

Snow, P. Herrera, D. Miller, S. Ocana, P. 1991. 1990 Mexican Spotted Owl Inventory Form, El Rito Ranger District, Carson National Forest. USFS.

Unknown (1991) 1991 Humbolt Demographic Study Sighting. Retrieved from silver City Ranger Distict, Gila National Forest, USFS. 3 p.

Beier, P. 1991. Cougar attacks on humans in the United States and Canada. Wildl. Soc. Bull. 19:

Dennis, B., P. L. Munholland, and J. M. Scott. 1991. Estimation of growth and extinction parameters for endangered species. Ecological Monographs 61:115-143.

Hamer, D., S. Herrero, and K. Brady. 1991. Food and habitat used by grizzly bears, URSUS ARCTOS, along the Continental Divide in Waterton Lakes National Park, Alberta. Canadian Field-Naturalist 105:325-329.

Kozie, K. D., and R. K. Anderson. 1991. Productivity, diet, and environmental contaminants in bald eagles nesting near the Wisconsin shoreline of Lake Superior. Arch. Environ. Contam. Toxicol. 20:41-48.

Pekins, P. J., F. G. Lindzey, and J. A. Gessaman. 1991. Physical characteristics of blue grouse winter use-trees and roost sites. Great Basin Nat. 51:244-248.

Smith, H. M., G. A. Hammerson, J. J. Roth, and D. Chizar. 1991. Distributional addenda for the smooth green snake (Opheodrys vernalis) in western Colorado, and the status of its subspecies. Bull. Maryland Herp. Soc. 27(2):99-106.

Cronin, M. A., M. E. Nelson, and D. F. Pac. 1991. Spatial heterogeneity of mitochondrial DNA and allozymes among populations of white-tailed deer and mule deer. J. Heredity 82:118-127.

Gore, J. A., and M. J. Kinnison. 1991. Hatching success in roof and ground colonies of least terns. Condor 93:759-762.

Leberg, P. L. 1991. Influence of fragmentation and bottlenecks on genetic divergence of wild turkey populations. Conservation Biology 5(4):522-530.

Petersen, K. L., and L. B. Best. 1991. Nest-site selection by sage thrashers in southeastern Idaho. Great Basin Nat. 51:261-266.

Steidl, R. J., et al. 1991c. Reproductive success and eggshell thinning of a reestablished peregrine falcon population. J. Wildlife Management 55:294-299.

Brewer, R., G.A. McPeek, and R.J. Adams, Jr. 1991. The Atlas of Breeding Birds of Michigan. Michigan State University Press, East Lansing, Michigan. xvii + 594 pp.

McCabe, R. A. 1991. The little green bird: ecology of the willow flycatcher. Rusty Rock Press, Madison, Wisconsin. xv + 171 pp.

DeBruin, E. 1991. Field survey to Fort Stanton ACEC - Stop #16 24 May, 1991.

DeBruin, E. 1991. Field survey to Farmington Resource Area-roadside pipeline site-stop #17 on 9 May 1991.

Giesen, K. M. 1991. Population inventory and habitat use by Lesser Prairie-Chickens in southeast Colorado. Federal Aid in Wildlife Restoration Report W-152-R, Colorado Division of Wildlife.

Advanced Sciences, Inc. 1991. Threatened and endangered species survey for road grades and site preparation at Multiple Launch Rocket System (MLRS)/Multi-mode Automatic Tracking System (MATS) at White Sands Missile Range, final report. Report no. REC-0199

Hakkila, M. 1991. Unpub letter to Pat Mehlhop on Rana spp. Localities dated 3 Dec 1991. 1 p + 2 maps.

New Mexico Dept of Game and Fish. 1991. New Mexico fish specimen database. Unpub printout from NM Dept Game and Fish database on specimens of Gila nigrescens at various museums. 2 pp.

Smartt, R. 1991. Species report on snails from New Mexico in UTEP museum specimen holdings. Unpublished listing of snail specimens at UTEP. 14 pp.

Bazata, K. 1991. Nebraska stream classification study. Lincoln, Nebraska Department of Environmental Quality.

Blem, C. R., and L. B. Blem. 1991. Nest-box selection by Prothonotary Warblers. Journal of Field Ornithology 62:299-307.

Clayton, P. 1991. Field survey to Ball Ranch - Stop #15 on 29 July 1991.

Gese, E. M., and L. D. Mech. 1991. Dispersal of wolves (Canis lupus) in northeastern Minnesota, 1969-1989. Canadian J. Zoology 69:2946-2955.

DeBruin, E. 1991. Field survey to Fort Stanton ACEC - Stop #9 23 May, 1991.

DeBruin, E. 1991. Field survey to Farmington Resource Area- ACEC Area #12 on 25 April 1991.