A new fossil hawk from the Oligocene beds of South Dakota
By: by A. Wetmore and E. C. Case.
Contributors: Case, E. C. b. 1871, joint author.
Series: Contributions from the Museum of paleontology ... University of Michigan.; vol. IV, no. 8 ... January 15, 1934
Publisher: University of Michigan press
Published: 1934
Place of publication: Ann Arbor
Language: eng
Number of pages: 132
Subjects: Buteo grangeri; Paleontology -- Oligocene; Paleontology -- South Dakota -- Washabaugh County