This site was covered with fragments of Triceratops frill that had been eroding out of the bank. As I looked for more I uncovered sections of the back of the skull where the frill sections meet and portions of the Occipital Condyle.
Triceratops Dig Site Dick Wills at Dig Site Triceratops bone Triceratops bone Triceratops bone Triceratops bone in cast Triceratops Occipital Condyle