• 1952 Economic & geologic Maps of Sebastopol, CA - 2 sheets


    Nice pair of Field issue maps for the Sebastopol Quadrangle, showing origin fold lines, these are the mineral maps produced by the state geologist showing the exploitable geologic and mineral resources available with this region. Colorful in chromolithography and larger than usual 15 minute sheets  (1/62,000) at 20 1/2" x 23 1/2" folio


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