Bibliography and Citations

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Yensen E.  2001.  Population estimate for the southern Idaho ground squirrel (Spermophilus brunneus endemicus).  Unpublished report for U. S. Fish and Wildlife Service.  
Yensen E, Luscher MP, Boyden S.  1991.  Structure of burrows used by the Idaho ground squirrel, Spermophilus brunneus.  Northwest Science.  :93-100.
Yensen E.  1991.  Taxonomy and distribution of the Idaho ground squirrel, Spermophilus brunneus.  Journal of Mammalogy.  72(3):583-600.  Available from http://www.jstor.org/stable/1382142
Yensen E..  2005.  Excel spreadsheet containing observational data obtained during field surveys in 2004 of southern Idaho ground squirrels and burrows on Soulen Land Company lands.  
Yensen E.  2000.  Additional surveys for southern Idaho ground squirrels, Spermophilus brunneus endemicus.  Unpublished report prepared for U. S Fish and Wildlife Service, Snake River Basin Office.  
Yensen D.  1980.  A grazing history of southwestern Idaho with emphasis on the Birds of Prey Study Area. Boise (ID): USDI Bureau of Land Mangement, Boise District Office, Snake River Birds of Prey Research Project.  
Yensen E, Sherman PW.  2003.  Ground-dwelling squirrels of the Pacific Northwest. Hooper WP, editor. Boise (ID): U. S. Fish & Wildlife Service, Snake River Fish and Wildlife Office; Bureau of Land Management, Spokane District Office and Oregon State Office.  
Yen T-C.  1946.  Late tertiary freshwater mollusks from southeastern Idaho.  Journal of Paleontology.  20:485-494.
Yen T-C.  1944.  Notes on freshwater mollusks of Idaho formation at Hammett, Idaho.  Journal of Paleontology.  18:101-108.
Yen A., Weinmann F..  1997.  Notes on the Taxonomy and Nomenclatural Changes in Carex.  
Yellowstone Science.  1994.  The Yellowstone lion: the homecoming of a native predator. Part one.  Yellowstone Science.  2(3):8-13.
Yellowstone Science.  1995.  Wolves released: learning accelerates.  Yellowstone Science.  3(2):17-18.
Yellowstone Science.  1994.  The Yellowstone lion. Part two: the long day of a lion hunter.  Yellowstone Science.  2(4):2-9.
Yellowstone Science.  1995.  Getting past "Wow.".  Yellowstone Science.  3(2):8-15.
Yellowstone Science.  1995.  Wolf realities.  Yellowstone Science.  3(3):6-11.
Yellowstone Science.  2011.  Yellowstone's Trumpeter Swans.  Yellowstone Science.  19(3)
Yellowstone Center for Resources..  1999.  Yellowstone Center for Resources Annual Report, 1998.  
Yee DG, Deuel BE, Bailey SF.  1990.  Middle Pacific coast region.  American Birds.  44(3):491-494.  Available from https://sora.unm.edu/sites/default/files/journals/nab/v044n03/p00388-p00502.pdf
Yatskievych G., Windham M.D, Wollenweber E..  1990.  A reconsideration of the genus Pityrogramma (Adiantaceae) in western North America.  American Fern Journal.  80(1):9-17.
Yates G..  2006.  Letter dated September 11 to Gina Glenne, U. S. Fish and Wildlife Service, regarding Mirabilis macfarlanei monitoring and protoco.  
Yates E.  2013.  Pyrrocoma scaberula inventory final report.    Available from https://www.fs.fed.us/r6/sfpnw/issssp/documents3/inv-rpt-va-pyrrocoma-scaberula-waw-201311.pdf
Yates G..  2007.  Rare plant observations in Hells Canyon National Recreation Area.  
Yates E..  2007.  MacFarlane's Four-O'clock in Hells Canyon of the Snake River.  Kalmiopsis (Journal of the Native Plant Society of Oregon).  14:1-7.
Yates TL, Barber WR, Armstrong DM.  Submitted.  Survey of North American collections of recent mammals.  Journal of Mammalogy.  Supplement to Volume 68(2):76pp.
Yasuda S, Johnson M, Chasse-Demers E..  1993.  Neotropical migratory birds and livestock grazing: a literature review.  : In-house document, U. S. Forest Service, Eldorado National Forest, Placerville Ranger District.