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Ludwig, J., E. Muldavin, and K.R. Blanche. 2000. Vegetation change and surface erosion in desert grasslands of Otero Mesa, southern New Mexico: 1982 to 1995. Am. Midl. Nat. 144: 273-285.

Muldavin, E., E. Milford, and M. Stuever. 2000. New Mexico Wetlands/ Riparian Assessment Database and GIS ArcView GIS project, Access Database & Report December 2000 CD Vol. 1 and 2.

Burns, J. M. 2000. Pyrgus communis and Pyrgus albescens (Hesperiidae: Pyrginae) are separate but transcontinental species with variable but diagnostic values. Journal of the Lepidopterists Society 54: 52-71

Phelps, A., C. B. Renaud, and F. Chapleau. 2000. First record of a freshwater drum, Aplodinotus grunniens, in the Rideau River, Ottawa, Ontario. Canadian Field-Naturalist 114(1):121-125.

Bailey, J.A and S.O. Williams III. 2000. Status of the lesser prairie-chicken in New Mexico, 1999. The Prairie Naturalist. 32(3):157-168.

Barr, J. F., C. Eberl, and J. W. McIntyre. 2000. Red-throated Loon (Gavia stellata). No. 513 IN A. Poole and F. Gill, editors, The birds of North America. The Birds of North America, Inc., Philadelphia, PA. 28pp.

Broughton, R. E., and J. R. Gold. 2000. Phylogenetic relationships in the North American cyprinid genus Cyprinella (Actinopterygii: Cyprinidae) based on sequences of the mitochondrial ND2 and ND4L genes. Copeia 2000:1-10.

Jolley, T. W., R. L. Honeycutt, and R. D. Bradley. 2000. Phylogenetic relationships of pocket gophers (genus Geomys) based on the mitochondrial 12s rRNA gene. Journal of Mammalogy 81:1025-1034.

Minckley, W. L., and B. D. DeMarais. 2000. Taxonomy of chubs (Teleostei, Cyprinidae, genus Gila) in the American Southwest with comments on conservation. Copeia 2000:251-256.

Mostello, C. S., N. A. Palaia, and R. B. Clapp. 2000. Gray-backed Tern (Sterna lunata). No. 525 in A. Poole and F. Gill (editors). The birds of North America. The Birds of North America, Inc., Philadelphia, PA. 28 pp.

Sattler, G. D., and M. J. Braun. 2000. Morphometric variation as an indicator of genetic interactions between Black-capped and Carolina Chickadees at a contact zone in the Appalachian Mountains. Auk 117:427-444.

Newhouse, N. J., and T. A. Kinley, T.A. 2000. Ecology of American Badgers near their range limit in southeastern British Columbia. Report submitted to Forest Renewal British Columbia, BC Environment, Columbia Basin Fish and Wildlife Compensation Program,

Berry, A. Mackley, L. (2000) Northern Goshawk Annual Report, Sacramento Ranger District, Lincoln National Forest. Lincoln Supervisor's Office, Lincoln National Forest, USFS. 7 p.

Worthington, R. 2000. Inventory of the Flora of the New Mexico Portion of the Guadalupe Mountains, Otero and Eddy Counties, New Mexico, Working Second Draft. USFS.

Williams, S.O., III. 2000. Checklist of the native birds of New Mexico. 30 June 1999. 18 p.

Mowbray, T. B., F. Cooke, and B. Ganter. 2000. Snow Goose (CHEN CAERULESCENS). No. 514 IN A. Poole and F. Gill (editors). The Birds of North America. The Birds of North America, Inc., Philadelphia, PA.

Mireles, G. (1999) The Sacramento Mountains Salamander. Lincoln Supervisor's Office, Lincoln National Forest, USFS. 5 p.

Weybright, D. 1999. Email to J. Klingel with regard to a new scientific name for the Desert Mule Deer subspecies. 2 p.

Kyle, P. D. and G. Z. Kyle. 1999. Providing and maintaining nesting habitat for Chimney Swifts: a guide for homeowners. Georgia Wildlife Federation (www.gwf.org/library/wildlife/chimneyswift.htm). Texas Parks and Wildlife (www.tpwd.state.tx.us/adv/birding

Baker, M. (1999) Lincoln National Forest Inventory Completion Report, Sensitive Plant Survey. Riparian Species Survey- Last Chance Canyon & Sitting Bull Falls Drainage. Guadalupe RD, Lincoln NF, USFS.

Myers, L. 1999. Field noteboook entry from site visit to flag the THEL extension. 3 p.

Worthington, R.D. (1999) Specimen Photo With Collection Locations. Guadalupe Ranger District, Lincoln National Forest, USFS. 1 p.

Mehlhop, P. 1999. Willow Flycatcher survey and detection form with data from San Marcial Condo site. 11 p.

Al-Shehbaz, I.A. 1999. Twisselmannia (Brassicaceae), a remarkable new genus from California. Novon 9:132-135.

Quebec Biodiversity Website (QBW). 1999. Double-crested Cormorant. Online. Available: http://www.redpath-museum.mcgill.ca/Qbp/birds/Specpages/doub lecrestedcormorant.htm.

Hoogland, J. L. 1999. Philopatry, dispersal, and social organization of Gunnison's prairie dogs. Journal of Mammalogy 80:243-251.

Scheuhammer, A. M., C. A. Rogers, and D. Bond. 1999. Elevated lead exposure in American Woodcock (SCOLOPAX MINOR) in eastern Canada Archives of Environmental Contamination and Toxicology 36: 334-340.

U.S. Fish and Wildlife Service (USFWS). 1999. Emergency rule to list the Sierra Nevada distinct population segment of California bighorn sheep as endangered. Federal Register 64(75):19300-19309.

Painter, C., N. Scott, M. Altenbach. 1999. Geographic distribution. THAMNOPHIS ELEGANS VAGRANS. Herpetological Review 30:1.

Todsen, T.K. 1999. A new endemic species of Mentzelia sect. Bartonia (Loasaceae) from New Mexico. Sida 18(3):819-822.

Hager, S.B. and A.D. Stafford. 1999. Dynamics of species richness and abundance in a montane community of butterflies in southern New Mexico. The Southwestern Naturalist. 44(3):374-415.

National Marine Fisheries Service (NMFS). 5 April 1999. Threatened status for southwestern Washington/Columbia River coastal cutthroat trout in Washington and Oregon, and delisting of Umpqua River cutthroat trout in Oregon. Federal Register 64(64):16397-1

Sivinski, R.C. 1999. A new variety of Physaria newberryi (Brassicaceae) from New Mexico. Sida. 18(3):673-677.

Jagnow, D. 1999. Winter bat census of Ft. Stanton and Torgac Caves. Report to Bureau of Land Management.

National Geographic Society (NGS). 1999. Field guide to the birds of North America. Third edition. National Geographic Society, Washington, DC. 480 pp.

Larsen, R.R. 1999. The damselflies (Zygoptera) of New Mexico. A simplified Odonata list showing distribution by County. 3 p.

Schwarzbach, A.E. and J.W. Kadereit. 1999. Phylogeny of prickly poppies, Argemone (Papaveraceae), and the evolution of morphological and alkaloid characters base on ITS nrDNA sequence variation. Plant Syst. Evol. 218:257-279.

Canadian Wildlife Service. 1999. Baird's Sparrow (AMMODRAMUS BAIRDII). Online. Available: http://www.cws-scf.ec.gc.ca/es/renew/RENEW97_98/eng/Species/ bspar.html.

Propst, D.L. 1999. Threatened and Endangered Fishes of New Mexico. Technical Report No. 1. 1999. New Mexico Department of Game and Fish. 84 p.

O'Connell, A. F., Jr., L. Elyse, and J. Zimmer. 1999. Annotated bibliography of methodologies to census, estimate, and monitor the size of white-tailed deer Odocoileus virginianus populations. National Park Service, Boston Support Office, Natural REsource

Schroeder, M. A., J. R. Young, and C. E. Braun. 1999. Sage Grouse (Centrocercus urophasianus). In A. Poole and F. Gill, editors, The Birds of North America, No. 425. The Birds of North America, Inc., Philadelphia, PA.

U.S. Fish and Wildlife Service (USFWS). 1999. Candidate and listing priority assignment forms.

Yatskievych, G. 1999. Steyermark's Flora of Missouri, Volume 1. Revised edition. Missouri Department of Conservation, Jefferson City and Missouri Botanical Garden Press, St. Louis.

Oliver, G.V. and W.R. Bosworth, III. 1999. Rare, imperiled, and recently extinct or extirpated mollusks of Utah. Report ot the Utah Division of Wildlife Resources, Publication Number 99-29, Salt Lake City, Utah. 231 pp.

Unknown (1999) 1998 + 1999 Guadalupe Owl Survey. Folder of Multiple Documents.Guadalupe Ranger District, Lincoln National Forest, USFS. 77 p.

Burkett, D and D. Black. 1999. Baseline herpetofauna survey report. San Andres National Wildlife Refuge. 8 p.

New Mexico Rare Plant Technical Council. 1999. (Version 15 March 2002). New Mexico Rare Plants. Albuquerque, NM: New Mexico Rare Plants Home Page. Available: http://nmrareplants.unm.edu. Accessed July 22, 2002.

Worthington, R. 1999. Salvia summa. Printed from: largocanyon.org/nmrptc/SALSUM.htm

McCafferty, W.P. 1999. Last updated 9 July 2002. The Mayflies of North America. Online. Available: http://www.entm.purdue.edu/Entomology/research/mayfly/contents.html.

Earth Data Analysis Center and New Mexico Natural Heritage Program. 1999. United States Fish & Wildlife Service Vegetation Map for Las Vegas National Wildlife Service and Maxwell National Wildlife Service.

Baker, M. (1999) Multiple Bundled Lincoln National Forest Inventory Completion Reports, Sensitive Plant Surveys, Field Notes. Lincoln Supervisor's Office, Lincoln National Forest, USFS. 54 p.

Mygatt, J. 1999. Email to S. Gottlieb with regard to a Valeriana texana specimen collected by W. Dunmire during 1989 survey for The Nature Conservancy NM Field Office. 1 p.

Lang, B.K. 1999. Status of the Texas hornshell and native freshwater mussels (Unionoidea) in the Rio Grande and Pecos River of New Mexico and Texas. Performance Report to the U.S. Fish and Wildlife Service, Section 6 E-38-2. 78 p.

Arita, H. T., and K. Santos-del-Prado. 1999. Conservation biology of nectar-feeding bats in Mexico. Journal of Mammalogy 80:31-41.

Dechant, J.A., M.L. Sondreal, D.H. Johnson, L.D. Igl, C.M. Goldade, A.L. Zimmerman, and B.R. Euliss. 1999. Effects of management practices on grassland birds: Bobolink. Northern Prairie Wildlife Research Center, Jamestown, ND. 21 pp.

Schroeder, M.A., J.R. Young, and C.E. Braun. 1999. Sage Grouse. In A. Poole and F. Gill, editors, The Birds of North America, No. 425. The Birds of North America, Inc., Philadelphia, PA.

Jameson, E. W., Jr. 1999. Host-ectoparasite relationships among North American chipmunks. Acta Theriologica 44:225-231.

Seamans, M.E., R.J. Gutierrez, C.A. May, and M.Z. Peery. 1999. Demography of two Mexican Spotted Owl populations. Conservation Biology. 13(4):744-754.

Knopf, F. L., and J. R. Rupert. 1999. Use of cultivated fields by breeding Mountain Plovers in Colorado. Studies in Avian Biology 19:81-86.