Category	Citation
Presentation	Cook, J. G., L. L. Irwin, L. D. Bryant, R. A. Riggs, D. A. Hengel, and J. W. Thomas. 1994. Studies of elk biology in northeast Oregon. National Council of the Paper Industry for Air and Stream Improvement, Corvallis, Oregon, USA.
Presentation	Johnson, Bruce K., Michael J. Wisdom, John G. Cook, and John G. Kie. 1998. Elk and managed forests: what science tells us. Rocky Mountain Elk Foundation 14th Annual Meeting and Professional Biologists Workshop, Portland, Oregon, 18 February 1998.
Presentation	Cook, J. G. 1999. Elk herd declines in the Northwest: Extent and potential causes. November, Annual meeting of the Idaho Elk Breeder’s Association. Moscow, Idaho.
Presentation	Cook, J. G. 1999. Elk nutrition-forest management relations in the Northwest. April 6-8, Annual meeting of Northwest Forestry Association, Portland, OR.
Presentation	Cook, J. G.; Murray, D. A.; Cook, J. G. 1999. Nutritional effects on reproductive endocrinology in Rocky Mountain elk. August, 84th Annual meeting of The Ecological Society of America, Spokane, Washington.
Presentation	Cook, J. G. 2000. Forest management and elk nutrition: Research plans and priorities. April 17-18. Annual meeting of the Northwest Forestry Association, Skamania Lodge, Oregon.
Publication	Wisdom, M. J., J. G. Cook, M. M. Rowland, and J. H. Noyes. 1993. Protocols for care and handling of deer and elk at the Starkey Experimental Forest and Range. U.S. Forest Service General Technical Report PNW-GTR-311.
Publication	Riggs, R. A., J. G. Cook, L. L. Irwin, and J. L. Spicer. 1993. Relating timber management to cover for big game on interior northwest winter range: some thoughts on reducing conflict. Pages 18-36 in R. L. Callas, E. B. Koch, and E. R. Loft, editors. Proceedings of the Western States and Provinces Elk Workshop. Cali
Publication	Irwin, L. L., J. G. Cook, R. A. Riggs, and J. M. Skovlin. 1994. Effects of long-term grazing by big game and livestock in the Blue Mountains forest ecosystems. U.S. Forest Service General Technical Report PNW-GTR-325.
Publication	Cook, J. G., L. L. Irwin, L. D. Bryant, and J. W. Thomas. 1994. Fecal nitrogen and dietary quality relationships in juvenile elk. Journal of Wildlife Management 58:46-53.
Publication	Cook, J. G., R. A. Riggs, A. R. Tiedemann, L. L. Irwin, and L. D. Bryant. 1994. Large herbivore-vegetative feedback relations in the Blue Mountains ecoregion. Pages 155-159 in W. D. Edge and S. L. Olson-Edge, editors. Proceedings of a symposium on sustaining rangeland ecosystems. Oregon State University Extension Service Special Re
Publication	Cook, J. G., T. W. Stutzman, C. W. Bowers, K. A. Brenner, and L. L. Irwin. 1995. Spherical densiometers produce biased estimates of forest canopy cover. Wildlife Society Bulletin 23:711-717.
Publication	Riggs, R. A., J. G. Cook, A. Tiedemann, and L. Bryant. 1995. Twenty-seven years of succession in grand fir forests of the Blue Mountains: influences of wild herbivores. Proceedings of the Western States and Provinces 1995 Joint Deer and Elk Workshop, Sun Valley, Idaho. Idaho Department of Fish and Game.
Publication	Cook, J. G., L. J. Quinlan-Murphy, L. L. Irwin, L. D. Bryant, R. A. Riggs, and J. W. Thomas. 1996. Nutrition-growth relations of elk calves during late summer and fall. Journal of Wildlife Management 60:528-541.
Publication	Vagnoni, D. B., R. A. Garrott, J. G. Cook, P. J. White, and M. K. Clayton. 1996. Urinary allantoin:creatinine ratios as a dietary index for elk. Journal of Wildlife Management 60:728-734.
Publication	Garrott, R. A., J. G. Cook, J. G. Berardinelli, P. J. White, S. Cherry, and D. B. Vagnoni. 1997. Evaluation of the urinary allantoin:creatinine ratio as a nutritional index for elk. Canadian Journal of Zoology 75:1519-1525.
Publication	Cook, J. G.; Irwin, L. L.; Bryant, L. D.; Riggs, R. A.; Thomas, J. W. 1998. Relations of forest cover and condition of elk: a test of the thermal cover hypothesis in summer and winter. Wildlife Monographs No. 141:1- 61p.
Publication	Garrott, R. A.; Monfort, S. L.; White, P.J.; Mashburn, K. L.; Cook, J. G. 1998. One-sample pregnancy diagnosis in elk using fecal steroid metabolities. Journal of Wildlife Diseases. 34:126-131.
Publication	Garrott, Robert A.; Cook, John G.; Bernoco, Marietta, M. [and others]. 1998. Antibody response of elk immunized with porcine zona pellucida. Journal of Wildlife Diseases. 34(3):539-546.
Publication	Wisdom, M. J.; Cook, J. G. 1999. North American Elk. Pages 694-735 in S. Demaris and P. Krausman, eds. Ecology and management of large mammals in North America. Prentice Hall, Upper Saddle River, NJ.
Publication	Riggs, R. A.; Tiedemann, A. R.; Cook, J. G.; Ballard, T. M.; Edgeton, P. J.; Vavra, M.; Krueger, W. C.; Hall, F. C.; Bryant, L. D.; Irwin, L. L.; DelCurto, T. 2000. Modification of mixed-conifer forests by ruminant herbivores in the Blue Mountains Ecological Province. USDA Forest Service, Pacific Northwest Research Station Research Paper PNW-RP-527.
Publication	Cook, R. C., J. G. Cook, D. L. Murray, P. Zager, and S. L. Monfort. 2001. Nutritional influences on breeding dynamics in elk. Canadian Journal of Zoology 79:845-853.
Publication	Cook, R. C., J. G. Cook, D. L. Murray, P. Zager, B. K. Johnson, and M. W. Gratson. 2001. Development of predictive models of nutritional condition for Rocky Mountain elk. Journal of Wildlife Management 65:973-987.
Publication	Cook, R. C., J. G. Cook, D. L. Murray, P. Zager, B. K. Johnson, and M. W. Gratson. 2001. Nutritional condition models for elk: which are the most sensitive, accurate, and precise. Journal of Wildlife Management 65:988-997.
Publication	Cook, J. G. 2002. Nutrition and food habits. Chapter in D. Toweill and J. W. Thomas, editors. North American Elk: ecology and management. Second edition. Smithsonian Institution Press, 2002.
Publication	Cook, J. G., B. K. Johnson, R. C. Cook, R. A. Riggs, T. DelCurto, L. D. Bryant, L. L. Irwin 2004. Effects of summer-autumn nutrition and parturition date on reproduction and survival of elk. Wildlife Monographs 155:1-61
Publication	Johnson, B. K., M. J. Wisdom, and J. G. Cook 2005. Issues of elk productivity for research and management. March 20, 2004. Transactions of the North American Wildlife and Natural Resources Conference 69.
Publication	Cook, R. C., J. G. Cook, D. L. Murray, P. Zager, B. K. Johnson, and M. W. Gratson 2005. Nutritional condition indices for elk: The good (and less good), the bad, and the ugly. March 20, 2004. Transactions of the North American Wildlife and Natural Resources Conference 69.
Publication	Cook, J. G., B. K. Johnson, R. C. Cook, R. A. Riggs, T. DelCurto, L. D. Bryant, and L. L. Irwin 2005. Nutrition and parturition date effects elk: Potential implications for research and management. March 20, 2004. Transactions of the North American Wildlife and Natural Resources Conference 69.
Publication	Cook, J. G., L. L. Irwin, L. D. Bryant, R. A. Riggs, and J. W. Thomas 2005. Thermal cover needs of large ungulates: A review of hypothesis tests. March 20, 2004. Transactions of the North American Wildlife and Natural Resources Conference 69.
Publication	Riggs, R. A., J. G. Cook, and L. L. Irwin 2005. Management implications of ungulate herbivory in Northwest forest ecosystems. March 20, 2004. Transactions of the North American Wildlife and Natural Resources Conference 69.
Publication	Vavra, M., M. J. Wisdom, J. G. Kie, J. G. Cook, and R. A. Riggs 2005. The role of ungulate herbivory and management on ecosystem patterns and processes: future direction for the Starkey Project. March 20, 2004. Transactions of the North American Wildlife and Natural Resources Conference 69.
Published Abstract	Cook, John G.; Riggs, Robert A.; Kie, John G. 1998. Role of large herbivores in management in restoration of disturbance-adapted forest ecosystems. In: Reig, Santiago, ed. Abstracts: Euro-American mammal congress; 1998 July 19-24; Santiago de Compostela, Spain. Santiago de Compostela, Spain: Universid
Published Abstract	Riggs, Robert A., John G. Cook, and John G. Kie. 1998. The role of large ruminant herbivores in management and restoration of disturbance-adapted forest ecosystems. Euro-American Mammal Congress, Santiago de Compostela, Spain, 19-24 July 1998.