1. Geologic map of the Osage SW 7.5' quadrangle Newton, Madison, and Carroll Counties, Arkansas Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2018 Resource Type: Map Access & Availability: Loading
2. Geologic map of the Murray quadrangle, Newton County, Arkansas Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2016 Resource Type: Map Access & Availability: Loading
3. Geologic map of the Boxley quadrangle, Newton and Madison Counties, Arkansas Author/Creator: Hudson, Mark R. Publication/Creation: Denver, Colo. : U.S. Geological Survey, 2007 Resource Type: Map Edition: Version 1.0, posted Dec. 2007. Access & Availability: Loading