Book Cliff
  I-70, Book Cliffs begin where the Colorado River descends south through De Beque Canyon into the Grand Valley (near Palisade, Colorado) 
  https://www.codot.gov/assets/images/photos/wildlife/copy_of_book11.jpg/view
  https://www.codot.gov/assets/images/photos/wildlife/copy_of_book11.jpg
            
              Book Cliff
            
            
            
              I-70, Book Cliffs begin where the Colorado River descends south through De Beque Canyon into the Grand Valley (near Palisade, Colorado)