This area extended to the base of the Book Cliffs and included Whitmore's Ranch.

At its southeastern edge, just north of Helper, it runs into the Book Cliffs.

But 160 years ago some travelers chose this minor canyon as the route of least topographical resistance into the Book Cliffs.

In a remote and unexplored canyon of the Book Cliffs twelve miles from town he found a huge body of coal.

Nearby are the Book Cliffs, and the largest flat-topped mountain in the world, the Grand Mesa.

In Utah the train follows the southern rim of the Book Cliffs to their end near Helper.

The Book Cliffs appear mostly along the southern and western edge of the Tavaputs Plateau.

The Book Cliffs are within the Colorado Plateau geologic province.

The Book Cliffs are one of the world's best places to study sequence stratigraphy.

Components of deltaic and shallow marine reservoirs are very well preserved in the Book Cliffs.