River runners' guide to Dinosaur National Monument and vicinity
Subtitle: with emphasis on geologic features
By: by Philip T. Hayes and George C. Simmons.
Contributors: Simmons, George Clarke, 1923- joint author.
Publisher: Powell Society
Published: 1973
Place of publication: Denver
Language: eng
Number of pages: 78
Subjects: Geology -- Green Valley, Wyo. and Utah -- Guidebooks.; Geology -- Colorado River Valley (Colo.-Mexico) -- Guidebooks.; Dinosaur National Monument -- Guidebooks.; Green River (Wyo.-Utah) -- Guidebooks.
Other titles: Dinosaur National Monument and vicinity.
Notes: Bibliography: p. 77.
Revision of From Flaming Gorge Dam through Dinosaur Canyon to Ouray, by P. T. Hayes and E. S. Santos published in 1969, and the Yampa River supplement by P. T. Hayes published in 1971.