Devonian fossils from southwestern Colorado
Subtitle: The fauna of the Ouray limestone
By: by George H. Girty.  Extract from the Twentieth annual report of the [U.S. Geological] survey, 1898-99.  Part II - General geology and paleontology
Publisher: Govt. print. off.
Published: 1900
Place of publication: Washington
Language: eng
Number of pages: 81
Subjects: Paleontology