Summary information on the State Geological Surveys and the United States Geological Survey [electronic resource] / compiled under the direction of the National Research Council Committee on State Geological Surveys.
Material type: TextSeries: Bulletin of the National Research Council ; no. 18.Publication details: Washington, D.C. : Published by the National Research Council of the National Academy of Sciences, 1932.Description: vi, 136 pSubject(s): Genre/Form: LOC classification:- QE72 .N38 1932eb
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