1. A field trip guidebook to the type localities of Marland Billings' 1935 Paleozoic bedrock stratigraphy near Littleton, New Hampshire Author/Creator: Rankin, Douglas W., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2014 Resource Type: Book 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
3. Maps of upper Mississippi embayment Paleozoic and Precambrian rocks Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by U.S. Geological Survey Information Services Resource Type: Map Access & Availability: Loading