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Description: |
xxii, 241 pages : illustrations, maps ; 27 cm + appendix |
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General Note: |
Appendix consists of 8 microfiche in pocket. |
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Bibliography Note: |
Includes bibliographical references (pages 68-70). |
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Additional Physical Forms: |
Online version: Geis, Aelred D., 1929- Black duck distribution, harvest characteristics, and survival. Washington, D.C. : U.S. Dept. of the Interior, Fish and Wildlife Service, Bureau of Sport Fisheries and Wildlife : For sale by the Supt. of Docs., U.S.G.P.O., 1971 (OCoLC)610147266 |