Jurassic (Bathonian and Callovian) ammonites in eastern Oregon and western Idaho
By: by Ralph W. Imlay.
Series: Geological Survey professional paper ;; 1142; Geological Survey professional paper ;; 1142.
Publisher: U.S. Govt. Print. Off.
Published: 1981
Place of publication: Washington
Language: eng
Number of pages: 24
Subjects: Ammonoidea -- Oregon.; Ammonoidea -- Idaho.; Paleontology -- Jurassic.; Paleontology -- Oregon.; Paleontology -- Idaho.
Notes: Bibliography: p. 21-22.
Includes index.