Figure AF10. Representative lithofacies from the Medford corehole. A. Overbank/swamp sediments from the Potomac Formation (637–639 ft; 194.2–194.8 m). B. Fluvial channel sediments from the Potomac Formation (642–646 ft; 195.7–196.9 m). C. Fluvial sands from the Potomac Formation (672–674 ft; 204.8–205.4 m). D. Swamp sediments from the Potomac Formation (676.85–678.85 ft; 206.3

Figure AF10. Representative lithofacies from the Medford corehole. A. Overbank/swamp sediments from the Potomac Formation (637–639 ft; 194.2–194.8 m). B. Fluvial channel sediments from the Potomac Formation (642–646 ft; 195.7–196.9 m). C. Fluvial sands from the Potomac Formation (672–674 ft; 204.8–205.4 m). D. Swamp sediments from the Potomac Formation (676.85–678.85 ft; 206.3–206.9 m).