WASHINGTON COUNTY HISTORICAL SOCIETY (Washington County, Utah)
GEOLOGIC HISTORY OF WASHINGTON COUNTY
REFERENCESGeology Underfoot in Southern Utah
by Richard L. Orndorff, Robert W. Wieder, and David G. Futey
See the information page.
Wikipedia article on the Geology of the Zion and Kolob canyons area
The Geology of Quail Creek State Park
by Robert F. Biek
Geology of the Hurricane Vicinity
Pages 3-9 in "Selected Topics Related To Hurricane, Utah"
Written and/or compiled by Victor Hall, 2003.