Book Cliffs
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The Book Cliffs are a series of desert mountains and cliffs in western Colorado and eastern Utah in the Western United States. They are so named because the sandstone layers that make up the Cretaceou
The Spring Canyon sandstones in the Book Cliffs above Helper, Utah, with several sedimentary cycles visible in the cliffs
Book Cliffs and Mt. Garfield (on right, approximate altitude 6,600 ft or 2,000 m) in Mesa County, Colorado
The Book Cliffs near Green River, Utah, ca. 1879–1894. Photographs of the American West, Boston Public Library
The Book Cliff in Helper, Utah
Roan Cliffs
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The Roan Cliffs are a series of desert mountains and cliffs in eastern Utah and western Colorado, in the western United States that are distinct from the Book Cliffs.
Book Cliffs
…List of mountains in Utah Roan Cliffs "Book Cliffs Recreation Area" at U.S. Department of Interior…
The cliffs above Rulison, Colorado