Revision History for U.S. Geological Survey Data Series 996 By Jason P. Pope, David C. Andreasen, E. Randolph McFarland, and Martha K. Watt Digital Elevations and Extents of Regional Hydrogeologic Units in the Northern Atlantic Coastal Plain Aquifer System From Long Island, New York, to North Carolina ----------------------------------------------------- Posted online August 31, 2016 ----------------------------------------------------- Revised and reposted December 17, 2020 as version 1.1 Figure 10 - On the map, the modeled extent of the Matawan confining unit was revised, and the modeled extent of unit elevations was revised. Figure 12 - On the map, the modeled extent of the Monmouth-Mount Laurel confining unit was revised, and the modeled extent of unit elevations was revised.