Description: Anderson (1948) and Benson and others (1985) provided grain-size analysis results from cores that can also be used to evaluate net sand thickness in the lower Potomac aquifer.
Copyright Text: Anderson, J. L., 1948, Cretaceous and Tertiary subsurface geology: State of Maryland Board of Natural Resources, Bulletin 2, 456 p.
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Benson, R. N., Jordan, R. R., and Spoljaric, N., 1985, Geological studies of Cretaceous and Tertiary section, test well Je32-04, central Delaware: Delaware Geological Survey Bulletin No. 17, 69 p., 3 plates.