1. Pennsylvanian and Lower Permian of northern and eastern Wyoming;Agatston;Bull. Am. Assoc. Pet. Geol.,1954
2. What is the Zuni Sandstone today—100 years after Dutton?;Anderson,1983
3. Geology and coal resources of the Cedar Mountain quadrangle, Iron County, Utah;Averitt;U.S. Geol. Surv., Prof. Pap. 389,1962
4. Permian system of Colorado Plateau;Baars;Bull. Am. Assoc. Pet. Geol.,1962
5. Stratigraphic control of petroleum in White Rim Sandstone (Permian) in and near Canyonlands National Park, Utah;Baars;Bull. Am. Assoc. Pet. Geol.,1970