Based on the geologic map of 1894 prepared by E.A. Smith ...; "Mapping of crystalline rocks revised by George I. Adams, paleozoic rocks by Charles Butts, mesozoic rocks by L.W. Stephenson, cenozoic rocks by C. Wythe Cooke."; Includes 4 cross sections. 109 x 70 centimeters Scale 1:500,000 General Map Collection
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