Kitchener, A. 1991. The natural history of the wild cats. Comstock Publishing Associates, Cornell Univ. Press, Ithaca. xxi + 280 pp.

Anderson, D.L. 1991-1995. Range activities log book. WSMR Environmental Services.

Gorresen, M. Schwarz, H.R. (1991) Northern Goshawk Inventory Form - 1991. Sandia Ranger District, Cibola National Forest, USFS. 4 p.

Malville, L. et al. 1991. Summary report of surveys for Mexican spotted owls (Strix occidentalis lucida) conducted in the San Juan resource area of the Bureau of Land Management in southwestern Colorado

Sivinski, R., and K. Lightfoot. 1991. NM rare plant occurrence record data sheet of 18 June 1991 for Erigeron acomanus. EMNRD, Santa Fe, NM.

Gibbs, J. P., J. R. Longcore, D. G. McAuley, and J. K. Ringelman. 1991. Use of wetland habitats by selected nongame waterbirds in Maine. Fish and Wildlife Reservation 9, Fish and Wildlife Service.

Clayton, P. 1991. Field survey to Ball Ranch - Stop #12 on 23 July 1991.

DeBruin, E. 1991. Field survey to Farmington Resource Area-Armenta Canyon, stop #4 on 7 May 1991.

DeBruin, E. and S. Reed. 1991. Field survey to Tularosa Mts - Cox Canyon on 26 July 1991.

DeBruin, E. 1991. Field survey to Fort Stanton ACEC - Stop #17 24 May, 1991

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

New Mexico Natural Heritage Program. 1991. Field map for 1991 Gilia formosa survey on USGS 7 1/2' topo map, east fork Kutz Canyon Quad.

Horton, J. and C. Persichetty. 1991. Field survey to Capitan Mts. - Pierce Canyon Arroyo at Forest Rd. 57, 23 May 1991.

Afton, A. D., R. H. Hier, and S. L. Paulus. 1991. Lesser scaup diets during migration and winter in the Mississippi flyway. Can. J. Zool. 69:328-333.

Christiansen, J. L., and R. M. Bailey. 1991. The salamanders and frogs of Iowa. Iowa Department of Natural Resources, Nongame Technical Series (3):1-24.

Dolbeer, R. A. 1991. Migration patterns of Double-crested Cormorants east of the Rocky Mountains. Journal of Field Ornithology 62:83-93.

Howe, W.H. and F.L. Knopf. 1991. On the imminent decline of Rio Grande cottonwoods in cetnral New Mexico. South. Nat. 36:218-224.

The Nature Conservancy. 1991. Ball Ranch field map. USGS 7.5' topographic May - Hagan - 3510633.

Patterson, M. E., J. D. Fraser, and J. W. Roggenbuck. 1991. Factors affecting piping plover productivity on Assateague Island. J. Wildlife Management 55:525-531.

Schulz, T.T., and W.C. Leininger. 1991. Nongame wildlife communities in grazed and ungrazed montane riparian sites. Great Basin Naturalist 51:286-292.

Wick, E. J., J. A. Hawkins, and T. P. Nesler. 1991. Occurrence of two endangered fishes in the Little Snake River, Colorado. Southwestern Naturalist 36:251-254.

Fauna West Wildlife Consultants. 1991. A bibliography of literature and papers pertaining to swift and kit foxes. Montana Department of Fish, Wildlife and Parks.

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

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

American Ornithologists' Union (AOU). 1991. Thirty-eighth supplement to the American Ornithologists' Union Check-list of North American birds. Auk 108:750-4.

Deacon, J. E., and C. D. Williams. 1991. Ash Meadows and the legacy of the Devils Hole pupfish. Pages 69-87 in W. L. Minckley and J. E. Deacon, eds. Battle against extinction: native fish management in the American West. University of Arizona Press, Tucso

Hammerson, G. A., and H. M. Smith. 1991. The correct spelling of the name of the short-horned lizard of North America. Bull. Maryland Herp. Soc. 27(3):121-127.

Klenner, W. 1991. Red squirrel population dynamics. II. Settlement patterns and response to removals. J. Anim. Ecol. 60:979-993.

Pashley, D. 1991. Shorebirds, gulls, and terns: Louisiana, Mississippi, Alabama. Pages 79-83. in Proceed. of the Coastal Nongame Workshop. Dawn Jenings (ed.) U.S. Fish and Wildl. Serv., Region 4, and Florida Game Fresh Water Fish Commission. Gainsville, F

Siegel-Causey, D., C. Lefevre, and A. B. Savinetskii. 1991. Historical diversity of cormorants and shags from Amchitka Island, Alaska. Condor 93:840-852.

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.

Mayer, J. J. 1991. Wild pigs in the United States, their history, comparative morphology, and current status. Univ. Georgia Press. 336 pp.

DeBruin, E. 1991. Field survey to Fort Stanton ACEC - Stop #14 24 May, 1991.

DeBruin, E. 1991. Field survey to Farmington Resource Area-plot #22 on 8 May 1991.

Dana, R. P. 1991. Conservation management of the prairie skippers H. DACOTAE and H. OTTOE. Station Bulletin 594-1991. Minnesota Agricultural Experiment Station. Univ. of Minnesota, St. Paul, MN. 63 pp.

Anderson, J. (1991) 1991 Mexican Spotted Owl Inventory Form. Sandia Ranger District, Cibola National Forest, USFS. 8 p.

Gorresen, M. Schwarz, H.R. (1991) Northern Goshawk Inventory Form - 1991 . Sandia Ranger District, Cibola National Forest, USFS. 3 p.

National Museum of Natural History, Smithsonian Institution. 1991. Mammals from New Mexico printout. 3 March 1991. 117 pp.

Skaggs, K. 1991. Plant/animal occurrence record - cooperator forms for Coryphantha organensis.

Blackwell, B. H., et al. 1991. Radio harness system for bobcat kittens. Great Basin Nat. 51:343-347.

Clayton, P. 1991. Field survey to Ball Ranch - Stop #1 on 18 July 1991.

Gall, L.F. 1991b. Evolutionary ecology of sympatric Catocala moths (Lepidoptera: Noctuidae). II. Sampling for wild larvae on their foodplants. Journal of Research on the Lepidoptera. 29(3):195-216.

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.

Burns, B. (1991) 1991 Mexican Spotted Owl Inventory Form. Retrieved from Silver City Ranger District, Gila National Forest, USFS. 20 p.

Sutherland, J. M. 1991. Effects of drought on American coot, FULICA AMERICANA, reproduction in Saskatchewan parklands. Canadian Field-Naturalist 105:267-273.

Lang, A. 1991a. Status report on the American coot. Committee on the Status of Endangered Wildlife in Canada (COSEWIC). 24 pp.

Santa Fe National Forest. 1991. Field forms and maps for Northern Goshawk nest and territory monitoring for 1991.

Lufkin, A., editor. 1991. California's salmon and steelhead, the struggle to restore an imperiled resource. University of California Press, Berkeley. 305 pp.

Anderson, B. and M. Boyles. 1991. Plant/animal occurrence form for Allium gooddingii in 1988. 1 p.

Gustafson, M. E. 1991. Diet and habitat selection in Ohio nesting barn owls (TYTO ALBA). M.S. thesis, Ohio State Univ. ix + 92 pp.

Marron, et al. 1991. An unpublished survey on threatened and endangered plants including San Juan County [no title, incomplete document]. 52 pp.