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.

Skaggs, K.E. 1991. Distribution and habitat of Oenothera organensis and Perityle cernua, endemics of the Organ Mountains, New Mexico. 5p.+ attachments.

Anonymous. 1991. Diversity and dwarf mistletoe. BioScience 41:755.

Cummings, J. L., et al. 1991. Evaluation of dimethyl and methyl anthranilate as a Canada goose repellent on grass. Wildl. Soc. Bull. 19:184-190.

Haas, G. R., and J. D. McPhail. 1991. Systematics and distribution of the Dolly Varden (Salvelinus malma) and bull trout (Salvelinus confluentus) in North America. Canadian Journal of Fisheries and Aquatic Sciences 48:2191-2211.

Kirkpatrick, J. F., and J. W. Turner, Jr. 1991. Compensatory reproduction in feral horses. J. Wildl. Manage. 55:649-652.

Ortega, J. C. 1991. The annual cycles of activity and weight of rock squirrels (Spermophilus variegatus) in southeastern Arizona. Am. Midl. Nat. 126:159-171.

Scoppettone, G. G., and G. Vinyard. 1991. Life history and management of four endangered lacustrine suckers. Pages 359-377 in W. L. Minckley and J. E. Deacon (editors). Battle Against Extinction: Native Fish Management in the American West. University of

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.

Sivinski, R. 1991. NM rare plant occurrence record data sheet of 8 July 1991 for Mammillaria viridiflora EMNRD, Santa Fe, NM.

Clayton, P. 1991. Field survey to Ball Ranch - Stop #9 on 22 July 1991.

DeBruin, E. 1991. Field survey to Farmington Resource Area - Kutz Canyon - Stop #19 on 9 May 1991.

DeBruin, E. 1991. Special plant survey form for Neolloydia intertexta. Oct 8, 1991.

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

DeBruin, E. 1991. Field survey to Farmington Resource Area-plot #20 on 7 May 1991.

Reed, S. and P. Hyder 1991. USGS Capitan Peak 7.5' topo map with Mammillaria heyderi, Epithelantha micromeris and Astragalus kerrii from 23-31 May 1991 field survey for TNC.

F91KIR01NMUS, Legacy reference. Physical copy not yet located.

Andelt, W. F., K. P. Burnham, and J. A. Manning. 1991. Relative effectiveness of repellents for reducing mule deer damage. J. Wildl. Manage. 55:341-347.

Eastman, J. 1991. Yellow-billed Cuckoo. Pages 234-245 in R. Brewer, G.A. McPeek, and R.J. Adams, Jr., editors. The atlas of breeding birds of Michigan. Michigan State University Press, East Lansing, MI.

Hutt, M.B. 1991. Shooting of migrating shorebirds in Barbados. Pages 77-92 in T. Salathe (ed.) Conserving migratory birds. Inter. Counc. for Bird Preserv. Spec. Pub. 12.

Paton, P. W. C., C. J. Zabel, D. L. Neal, G. N. Steger, N. G. Tilghman, and B. R. Noon. 1991. Effects of radio tags on Spotted Owls. J. Wildlife Management 55:617-622.

Secunda, R. C., and T. W. Sherry. 1991. Polyterritorial polygyny in the American redstart. The Wilson Bulletin 103:190-203.