The Bear River formation and its characteristic fauna.
Series: United States. Geological Survey. Bulletin -- no.128.; Geological Survey bulletin -- no.128.
Publisher: Govt. Print. Off.
Published: 1895
Place of publication: Washington
Language: eng
Number of pages: 108
Subjects: Geology -- Wyoming; Geology -- Utah; Geology -- Idaho; Geology, Stratigraphic -- Cretaceous; Paleontology -- Cretaceous