| | Report (issue) | A summary of recent significant scientific and economic results accompanied by a list of geologic and...investigations in progress and a report on the status of topographic mapping UNITED STATES GOVERNMENT ...WASHINGTON, D.C.: 1976 UNITED STATES DEPARTMENT OF THE INTERIOR THOMAS S. KLEPPE, Secretary GEOLOGICAL...Director Library of Congress catalog-card No. 68-46150 For sale by the Superintendent of Documents, U.S...024-001-02941-3 FOREWORD Beginning with the publication of the first volume in 1960, the Geological Survey Research | | | Report (issue) | A summary of recent significant scientific and economic results accompanied by a list of geologic and...investigations in progress and a report on the status of topographic mapping UNITED STATES GOVERNMENT ...WASHINGTON, D.C.: 1975 UNITED STATES DEPARTMENT OF THE INTERIOR THOMAS S. KLEPPE, Secretary GEOLOGICAL...Director Library of Congress catalog-card No. 68-46150 For sale by the Superintendent of Oocuments, U.S...Research 1975" is the 16th annual synopsis of the results of U.S. Geological Survey investigations. These |
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