Two new fossil birds from the Oligocene of South Dakota
By: by Alexander Wetmore.
Series: Smithsonian miscellaneous collections,; v. 101, no. 14
Publisher: Smithsonian Institution
Published: 1942
Place of publication: Washington
Language: eng
Subjects: Birds, Fossil; Paleontology -- Oligocene; Paleontology -- South Dakota
Notes: Publication 3680.