1. Geologic cross section I-I' through the Appalachian Basin from the eastern margin of the Illinois Basin, Jefferson County, Kentucky, to the Valley and Ridge Province, Scott County, Virginia Author/Creator: Geological Survey (U.S.), issuing body Publication/Creation: Reston, Va. : U.S. Geological Survey, 2015 Resource Type: Map Access & Availability: Loading
2. Geologic map and Upper Paleozoic stratigraphy of the Marble Canyon area. Cottonwood Canyon quadrangle, Death Valley National Park, Inyo County, California Author/Creator: Stone, Paul, 1947- cartographer Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2014 Resource Type: Map Access & Availability: Loading