Geology and StratigraphyOrdovician at Fossil Mountain
Chainman Shale at Camp Canyon
Chainman Shale at Bishop Springs Anticline
Upper Chainman at Bishop Springs Anticline
Thaynes Formation in the Confusion Range
Sinbad Limestone in the San Rafael Swell
Ferron Sandstone at Mounds
Juana Lopez Member at Mounds
Emery Sandstone near Ferron