2000. American Geological Institute, Geological Survey (U.S.), and Environmental Systems Research Institute (Redlands, Calif.). This shapefile includes arcs and polygons that describe U.S. Geological Survey defined geologic provinces of the World. Each province has a set of ... American Geological Institute.
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1999. American Geological Institute, Geological Survey (U.S.), Petroconsultants International Data Corp., and Environmental Systems Research Institute (Redlands, Calif.). This coverage contains points that describe centerpoint locations of and primary commodity produced by oil and gas fields. A fundamental task in th... American Geological Institute.
1948. Alkire, Robert L. 1910-. Includes index to oil and gas fields. Includes: Generalized section of rocks of Ohio. Scale [1:380,160] compiled by Robert L. Alkire ; drafting by ... Ohio. Division of Geological Survey.
1960. Shearrow, George G. Scale [1:380,160] revised by ... George G. Shearrow and Theodore DeBrosse ; drafting by Harold J. Flint and Fletcher W. Twitty. Includes table of "... Ohio. Division of Geological Survey.