The geologic story of Colorado National Monument
By: by S. W. Lohman.
Edition: [1st ed.
Publisher: Colorado & Black Canyon Natural History Association
Published: 1965
Place of publication: n.p
Language: eng
Number of pages: 56
Subjects: Geology -- Colorado -- Colorado National Monument.
Notes: Includes bibliographical references.
Publication authorized by Director, U.S. Geological Survey.