Prado, O., Sutkowski, C. S., Hernandez, V., & Polet, J. (2019, 08). Using Ground Penetrating Radar and Magnetic Gradiometry to Detect Archaeological Artifacts from the San Salvador Settlement in Colton, California, buried during the Santa Ana River’s Great Flood of 1862. Poster Presentation at 2019 SCEC Annual Meeting. SCEC Contribution 9420