Description and identification of American black duck, mallard, and hybrid wing plumage /

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Bibliographic Details
Imprint:Jamestown, N.D. : U.S. Geological Survey, Biological Resources Division, Northern Prairie Wildlife Research Center, [2000]
Description:1 electronic text : HTML file.
Language:English
Series:Biological science report ; 2000-0002
Biological science report ; 2000-0002.
Subject:
Format: E-Resource U.S. Federal Government Document Book
URL for this record:http://pi.lib.uchicago.edu/1001/cat/bib/6812652
Hidden Bibliographic Details
Varying Form of Title:American black duck, mallard, and hybrid wing plumage
Other authors / contributors:Kirby, Ronald E.
Northern Prairie Wildlife Research Center (1997-)
Geological Survey (U.S.)
Notes:Title from HTML title screen (viewed on Feb. 4, 2008).
At head of title: Northern Prairie Wildlife Research Center.
"March 2000."
Includes bibliographical references.
Mode of access: internet from the USGS web site. Address as of 2/4/08: http://www.npwrc.usgs.gov/resource/birds/diplume/index.htm; current access via PURL.
Other form:Description and identification of American black duck, mallard, and hybrid wing plumage iv, 26 p.
GPO item no.:0626-C-02 (online)
Govt.docs classification:I 19.209:2000-0002