Karen Steelman University of Central Arkansas No description specified. 1-3 (3 Records) Documents Chemical and Radiocarbon Analyses of Paint Samples from Oxtotitlán (2016) Discovering Hidden Layers with X-Ray Vision: New Applications of pXRF to Rock Art Studies (2015) Two Independent Methods for Dating Rock Art: Age Determination of Paint and Oxalate Layers at Eagle Cave, TX (2016)