Birds of the Clear Creek District, Colorado
Lincoln, Frederick Charles, 1892-1960
Article
1920
The Auk
37
60--77
BioStor
English
Washington, D.C, American Ornithologists' Union, etc, 1884-
BioStor: https://biostor.org/reference/124989 DOI: https://doi.org/10.2307/4072959
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