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<br />List of References
<br />
<br />Anderson 1967 - Anderson, David R., "Effects of Water Manipulation on Waterfowl
<br />Production and Habitat," M.S. Thesis, Colorado State University, Fort Collins,
<br />ColoFado. .
<br />
<br />Cowardin et al. 1979 ~ "Classification of Wetlands and Deepwater Habitats of the
<br />United States,~ (FYS/OBS-79/31), Fish and Wildlife Service, December 1979.
<br />
<br />FR 1980 - "Fish and Wildlife Service }litiga tion Policy; Notice of Draft Policy,"
<br />Federal Register; vol. 45, No. 176, September 9, 1980.
<br />
<br />,FR 1981 - "U.S. Fish and Wildlife Service }litigation Policy," Federal Register,
<br />vol. 46, No. 15, January 23, 1981.
<br />
<br />FWS 1979 '~ational Wetlands Inventory San Luis Valley Project, Closed Basin I
<br />Division," Fish and Wildlife Service, St. Petersburg, Florida.
<br />
<br />Hopper et al. 1975 - Hopper, Richard M., Aelred D. Geis, Jack R. Grieb, and
<br />Lewis Nelson, Jr., Experimental Duck Hunting Seasons, San Luis Valley, Colorado,
<br />1963-1970, Wildlife Monographs, No. 46.
<br />
<br />Pospahala 1969 - Pospahala, Richard S., '~aterfowl Production and Vegetative
<br />Response to Early Wat:er," M.S. Thesis'," Bolorado Stat:e University, Fort Collins,
<br />Colorado.
<br />
<br />Robinson 1971 - Robinson, Gary G. W., '~egetation and Physical Fact:ors
<br />Influencing Wat:erfowl Production," M.S. Thesis, Colorado St:at:e University, Fort:
<br />Collins, Colorado.,
<br />
<br />.
<br />
<br />Schroeder 1972 - Schroeder, Lonnie D., "Effects of Invert:ebrat:e Ut:ilizat:ion on
<br />Waterfowl Production," M.S. Thesis, Colorado St:ate University, Fort: Collins,
<br />Colorado.
<br />
<br />Schroeder et: al. 1976 - Schroeder, Lonnie D., David R. Anderson, Richard S.
<br />Pospahala, Gary G. W. Robinson, and Fred A. Glover, "Effects of Early Water
<br />Application on Waterfowl Production." J. Wildlife Management: 40(2) 227-232.
<br />
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<br />St:ewart and Kant:rud 1974 - Stewart, Robert E., and Harold A. Kant:rud,
<br />"Breeding Waterfowl Populations in the Prairie Pot:hole Region of North Dakota,"
<br />Condor 76(1) 70-79.
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