Petrified forests of Yellowstone
Subtitle: Yellowstone National Park, Wyoming, Montana, and Idaho.
Contributors: United States. National Park Service.
Series: Handbook - National Park Service ; 108; Handbook (United States. National Park Service. Division of Publications) ;; 108.
Publisher: Division of Publications, National Park Service, U.S. Dept. of the Interior
Published: 1980
Place of publication: Washington, D.C
Language: eng
Number of pages: 31
Subjects: Petrified forests.; Paleobotany -- Eocene.; Paleobotany -- Yellowstone National Park.; Yellowstone National Park.