The geologic story of the national parks and monuments
By: David V. Harris ; graphics by Gregory C. Nelson.
Edition: 2d ed.
Publisher: Colorado State University Foundation Press
Published: 1978
Place of publication: Fort Collins
Language: eng
Number of pages: 325
Subjects: Geology -- United States.; National parks and reserves -- United States.; Natural monuments -- United States.
Notes: Bibliography: p. 311-324.
Includes index.