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Citation/References: |
Martin, E.M. and S.M. Carney. 1977. Population ecology of the mallard: IV. A review of duck hunting regulations, activity, and success, with special reference to the mallard. Fish and Wildlife Service Resource Publication no. 130. Government Printing Office, Washington, D.C. 149 pp. |
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Description: |
Fish and Wildlife Service Resource Publication |
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Rights: |
Materials created by Federal agencies are generally not subject to copyright protection in the United States and may be reproduced without permission. Some materials have been produced by individuals or organizations that may be subject to additional restrictions on use. Specific restrictions are noted where information is available, but WS cannot guarantee the status of specific items; use of items in the collections is at the risk of the user. |