Greaves, J. M. and M. V. Gray. 1991. The Least Bell's Vireo population in the Gibraltar Reservoir area during 1991. Final report to Los Padres National Forest, Goleta, CA.

Conant, S., et al. 1991. A new tern (STERNA) breeding record for Hawaii. Pacific Sci. 45:348-354.

Goodloe, R. B., et al. 1991. Genetic variation and its management implications in eastern U.S. feral horses. J. Wildl. Manage. 55:412-421.

Landin, M.C. 1991. Needs, construction, and management of dredge material islands for wildlife. Pages 99-117. in Proceed. of the Coastal Nongame Workshop. Dawn Jenings (ed.) U.S. Fish and Wildl. Serv., Region 4, and Florida Game Fresh Water Fish Commissio

Payne, R. B. 1991. Natal dispersal and population structure in a migratory songbird, the indigo bunting. Evolution 45:49-62.

Smith, M. E., et al. 1991. Modification of stream ecosystem structure and function by beaver (Castor canadensis) in the Adirondack Mountains, New York. Canadian Journal of Zoology 69:55-61.

Carothers, S.W., and B.T. Brown. 1991. The Colorado River through the Grand Canyon. University of Arizona Press, Tucson, AZ.

U.S. Forest Service (USFS). 1991. Forest and rangeland birds of the United States: Natural history and habitat use. U.S. Department of Agriculture, Forest Service Agricultural Handbook 688. 625 pp.

Ernst, C. H., and J. F. McBreen. 1991c. Terrapene. Cat. Am. Amph. Rept. 511.1-511.6.

DeBruin, E. Sept and Oct 1991. Special plant survey form for Perityle cernua and Silene plankii in the Organ Mts.

DeBruin, E. 1991. Field survey to Farmington Resource Area-plot #14 on 4 May 1991.

Muldavin, E. 1991. Field data for White Sands Missile Range preliminary vegetation classification and test vegetation map.Natural Heritage New Mexico Publ. No. 91-GTRmap-10. Natural Heritage New Mexico, University of New Mexico, Albuquerque, NM.

Cully, A. USFWS. 1991. [Erigeron hessii type locality, surveyed habitat and potential habitat site map. USGS 7 1/2 topo map - Grouse Mtn. Quad.]

Dunmire, W. 1991. Observation of T&E plants form for Eustoma exaltum, BLM. 5 records-1 pg ea.

Falvey,B. Wildlife biologist. BLM Farmington. (505)599-8989.

Kartesz, J.T. 1991. Accepted taxonomic names from November 1991 checklist, as extracted by Ken Wright, The Nature Conservancy, December 1992-January 1993.

Romero, A. Simmmons, T. 1991. Astragalus ripleyi survey form for new population. Canjilon Ranger District, Carson National Forest, USFS.

Clayton, P. 1991. Field survey to Ball Ranch - Stop #21 on 5 Aug 1991.

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

DeBruin, E. 1991. Field survey to Fort Stanton ACEC - Stop #33 29 May, 1991.

Mehlhop, P. Field survey to Alamosa Warm Springs on June 28, 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.

Hendrickson, D. A., and J. E. Brooks. 1991. Transplanting short-lived fishes in North American deserts: review, assessment, and recommendations. Pages 283-98 in W. L. Minckley and J. E. Deacon (editors). Battle Against Extinction: Native Fish Management i

Morin, R. 1991. Atlantic salmon (Salmo salar) in the lower Nastapoka River, Quebec: distribution and origins of salmon in eastern Hudson Bay. Canadian Journal of Zoology 69:1674-1681.

Senock, R.S., W.B. Sisson, and G.B. Donar. 1991. Compensatory photosynthesis of Sporobolus flexuosus (Thurb.) Rydb, following simulated herbivory in the northern Chihuahuan Desert. Botanical Gazette. 152(3):275-281.

Anderson, J. (1991) 1991 Mexican Spotted Owl Inventory Form. Sandia Ranger District, Cibola National Forest, USFS. 4 p.

Harmata, A. R. 1991. Impacts of oil and gas development on raptors associated with Kevin Rim, Montana. Unpubl. Rep. Kevin Rim Raptor Study Group, Biology Department, Montana State University, Bozeman. Prepared for the USDI Bur. Land Manage., Great Falls R

Painter, C.W. 1991. Investigation into the distribution and habitat requirements of the Jemez Mountain salamander (Plethodon neomexicanus). Unpubl. report to USFS Santa Fe National Forest contract no.

Williams, S.O. III. 1991. Gray Ranch and Hidalgo Co bird notes from 6-9 Aug 1990. Survey Unpubl. notes dated 9 March 1991. 14 pp.

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

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.

DeBruin, E. 1991. Survey for Echinocereus fendleri ver. kuenzleri on Fort Stanton Reservation. Unpubl. report by New Mexico Natural Heritage Program for BLM Roswell Resource Area. 12 p. + app.

Lincoln National Forest, Mayhill Ranger District. 1991. Echinocereus fendleri var kuenzleri monitoring report, March 1991.

Schwarz, H. Hurley, T. (1991) Northern Goshawk Inventory Form - 1991. Sandia Ranger District, Cibola National Forest, USFS. 5 p.

DeBruin, E. 1991. Field survey to Mogollon Mts - Willow Creek on 17 July 1991.

DeBruin, E. 1991. Field survey to Fort Stanton ACEC - Stop #18 24 May, 1991.

DeBruin, E. 1991. Field survey to Farmington Resource Area - Radio tower plot #11 on 3 May 1991.

Mehlhop, P. 1991. Field survey of August 26,1991 to Salt Creek, White Sands Missile Range.

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.

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.

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.

Burns, B. FRybarder, S. (1991) 1991 Mexican Spotted Owl Inventory Form. Retreived from Silver City Ranger District, Gila National Forest, USFS. 28 p.

Cibola National Forest. 1991. Mexican Spotted Owl daytime follow-up visit form, survey for Mexican Spotted Owl.

Hagerdon, M. 1991. Threatened, endangered and sensitive plants observation record for Lilium philadelphicum. US Forest Service

Harris, D. 1991. 1990 Mexican Spotted Owl Inventory Form, El Rito Ranger District, Carosn National Forest. 3p.

Schwarz, H.R. (1991) Gray Vireo Observations in the Sandia Mountains of Central New Mexico. Retrieved from Guadalupe Ranger District, Lincoln National Forest, USFS. 7 p.

Buehler, D. A., et al. 1991c. Survival rates and population dynamics of bald eagles on Chesapeake Bay. J. Wildlife Management 55:608-613.

Ellis, D. H., C. H. Ellis, and D. P. Mindell. 1991. Raptor responses to low-level jet aircraft and sonic booms. Env. Poll. 74:53-83.

Hunter, J. E. 1991. Grazing and pocket gopher abundance in a California annual grassland. Southwest. Nat. 36:17-18.

Minckley, W. L., G. K. Meffe, and D. L. Soltz. 1991a. Conservation and management of short-lived fishes: the cyprinodontoids. Pages 247-82 in W. L. Minckley and J. E. Deacon (editors). Battle Against Extinction: Native Fish Management in the American West

Pogson, T. H., and S. M. Lindstedt. 1991. Distribution and abundance of large sandhill cranes, GRUS CANADENSIS, wintering in California's Central Valley. Condor 93:266-278.

Wilkinson, J. A., et al. 1991. Distribution and genetic variation in venom A and B populations of the Mojave rattlesnake (Crotalus scutulatus scutulatus) in Arizona. Herpetologica 47:54-68.

Lehmkuhl, J. F. and L. F. Ruggiero. 1991. Forest fragmentation in the Pacific Northwest and its potential effects on wildlife. Pages 35-46 in L. F. Ruggiero, K. B. Aubry, A. B. Carey and M. H. Huff, tech. coordinators. Wildlife and Vegetation of unmanaged