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Washington Dept. of Fish and Wildlife (WDFW). 1999. Species of Concern in Washington State. Online: http://www.wa.gov/wdfw/wlm/diversity/soc/soc.htm.

Davis, S.K., and D.C. Duncan. 1999. Grassland songbird abundance in native and crested wheatgrass pastures of southern Saskatchewan. Pages 211-218 in: J. Herkert and P. Vickery, editors. Ecology and conservation of grassland birds in the western hemispher

Mowbray, T. B. 1999. Scarlet Tanager (PIRANGA OLIVACEA). No. 479 IN A. Poole and F. Gill, editors. The birds of North America. The Birds of North America, Inc., Philadelphia, PA. 28 pages.

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Ruiter, D.E. 1999. A new species and new synonym in the genus Psychoronia (Limnephilidae), with significant records for caddisflies (Trichoptera) from western North America. Great Basin Naturalist 59(2):160-168.

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Opler, P. A., and A. B. Wright. 1999. A field guide to western butterflies. Second edition. Peterson Field Guides. Houghton Mifflin Company, Boston, Massachusetts. 540 pp.

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New Mexico State University Herbarium. 1999. Excel spreadsheet containing specimen records at the NMSU herbarium.

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Brennan, L.A. 1999. Northern Bobwhite (COLINUS VIRGINIANUS). In A. Poole and F. Gill, editors, The Birds of North America, No. 397. The Birds of North America, Inc., Philadelphia, PA. 28 pp.

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Wright, D.M., and H. Pavulaan. 1999. Celastrina idella (Lycaenidae, Polyommatinae) a new butterfly species from the Atlantic coastal plain. The Taxonomic Report of the International Lepidoptera Survey 1(9): 11 pp.

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Mueller, J. M., C. B. Dabbert, S. Demarais, and A. R. Forbes. 1999. Northern Bobwhite chick mortality caused by Red Imported Fire Ants. Journal of Wildlife Management 63:1291-1298.

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Scott, C.M. 1999. High Country gardens: Success in the Southwest. The American Gardner, March-April. (In section 'Mail Order Explorer').

Bureau of Land Management. 1999-2004. Field forms for Lesser Prairie-chicken lek surveys conducted by BLM in the Roswell and Carlsbad Resource Area from 1999-2003.

Ladyman, J. 1999. Letter to USFS regarding a location of Erigeron rhizomatus.

Runyan, N. 1999. Email to Pat Mehlhop about Rana sightings in Alamosa Springs area. 1 p.

The Nature Conservancy. 1999. Arizona / New Mexico mountains ecoregional conservation analysis. 200 p.

Rich, K, E.M. Muldavin, and T.J. Valone. 1999. Historical Vegetation of the Borderlands Ecosystem Management Area.

Braun, C.E. 1999c. Historic and present distribution of sage grouse in North America. Presentation given to the Western Sage Grouse Status Conference, Jan. 14-15, 1999, Boise, ID. Online. Available: http://www.rangenet.org/projects/grouse.html.

Mygatt, J. 1999. New Mexico Rare Plants: Salix arizonica (Arizona willow). New Mexico Rare Plant Technical Council, Albuquerque, New Mexico. Online. Available: http://nmrareplants.unm.edu (Version 15 March 2002). Accessed 2003, June 17.

Lang, B.K. 1999. Status and Distribution of Terrestrial Snails in Southern New Mexico. Performance Report to U.S. Fish and Wildlife Service, Section 6 E-36-4. 53 p.

Heiman, K., and J. Elix. 1999. A new species of Canoparmelia from North America (Lichenized Ascomycotina, Parmeliaceae). Mycotaxon 70:163-166.

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Wilson, D. E., and S. Ruff. 1999. The Smithsonian book of North American mammals. Smithsonian Institution Press, Washington, D.C. 750 pp.

Foy, B. 1999. Email to S.O. Williams forwarded to P. Mehlhop with regard to an Aplomado Falcon sighting at Isaac's [Isaack] Lake near Las Cruces, NM. 3 p.

Michaud, G and L. Myers. 1999. Memorandum for record dated 13 August 1999 with subject: Technical Support Network (TSN) Fiber Optic Cable from Salinas Peak to Rob Site. 2 p.

Bell, G, J. Baumgartner, J. Humke, A. Laurenzi, P. McCarthy, P. Mehlhop, K. Rich, M. Silbert, E. Smith, B. Spicer, T. Sullivan, and S. Yanoff. 1999. Ecoregional Conservation Analysis of the Arizona - New Mexico Mountains.

Suminski, R. 1999. Nest locality L-19 for Falco peregrinus anatum. 1 p.

Behrstock, R. A., T. Eubanks, and B. Honig. 1999. E-mail of November 3, 1999, from Robert A. Behrstock -- specimen records from.

Michaud, G. A. 1999. Memorandum for record dated 10 Sept 1999 with subject: QF4 Drone Crash Site Assessment. 3 p.

Tiner, R. 1999. Wetland indicators: A guide to wetland identification, delineation, classification, and mapping. CRC Press LLC.. 392 p.

University of Michigan Museum of Zoology. 1999. Printout of odonate larval specimen collection data at the University of Michigan Museum of Zoology. 3 p.