Fossil freshwater mollusks from Oregon, contained in the Condon Museum of the University of Oregon
By: by G. Dallas Hanna. 
Series: University of Oregon publication -- v. 1, no. 12. Aug. 1922 
Publisher: The University
Published: 1922
Place of publication: Eugene
Language: eng
Number of pages: 22
Subjects: Mollusks, Fossil.; Paleontology -- Oregon.