View of hogback ridge: The Mancos shale northeast along the Caineville Reef. Emery sandstone member; Blue Gate shale member; Ferron sandstone member; Tununk shale, members of the Mancos shale. Photo by George Grant, Department of the Interior. Wayne County, Utah. Circa 1937. Very similar to figure 20-A, in U.S.Geological Survey Professional Paper 228. 1953.
Digital File:cdon0014

ID. Carroll, Don 14