Annotated List of the Water Birds of Weld, Morgan and Adams Counties, Colorado, South to the First Sectional Line below the Fortieth Parallel
Felger, A H
Article
1909
The Auk
26
272--291
BioStor
English
Washington, D.C, American Ornithologists' Union, etc, 1884-
BioStor: https://biostor.org/reference/124036 DOI: https://doi.org/10.2307/4070799