Fossil footprints from the Grand Canyon
By: by Charles W. Gilmore.
Series: Smithsonian Institution. Smithsonian miscellaneous collections,; v. 77, no. 9 ; v. 80, nos. 3 and 8; Smithsonian miscellaneous collections ;; v. 77, no. 9 ; v. 80, nos. 3 and 8.
Publisher: Smithsonian Institution
Published: 1926
Place of publication: Washington
Language: eng
Subjects: Footprints, Fossil; Mammals, Fossil -- Arizona -- Grand Canyon.; Paleontology -- Permian.; Paleontology -- Arizona -- Grand Canyon
Notes: "Literature": [v. 2] p. 74-75