The geologic map for the Northwest Durham quadrangle has been created as a general-purpose map that is applicable to land-related investigations in the earth, environmental and biological sciences. Includes one cross section, stereograms, rose diagrams and rock unit descriptions. By Philip J. Bradley, Cindy M. Phillips, Randy Bechtel, Channa Witanachchi, Amy N. Ward and Timothy W. Clark. Approximate scale - 1:24,000. Approximate size is 33"x42".
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