“…Elevation of GL (ft): Number is elevation of ground level (GL) or land surface in feet (ft). Data source: Ba., Bain (1970); B., Brown (1959); C., Cederstrom (1957 and; D. F., data in files of District office of Water Resources Division, U.S. Geological Survey; F. and L., Floyd and Long (1970); H. and W., Harris and Wilder (1966); La., Larson (1981); Le., LeGrand (I960); Leen., Leenheer, Malcolm, and White (1976); L. and F., Lloyd and Floyd (1968); L., ; NRCD, North Carolina Department of Natural Resources and Community Development file data; RASA, Regional Aquifer System Analysis (northern Atlantic Coastal Plain); S., Siudyla and others (1981); Su., Sumsion (1970); VASWCB, Virginia State Water Control Board; V.P.I., Virginia Polytechnical Institute and State University; W., Woodruff (1969); Wy., Wyrick (1966) RASA and Long. Data source: Medium, between about 7000 and 14,000…”