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A summary of recent significant scientific and economic results accompanied by a list of publications released in fiscal year 1967, a list of geologic and hydrologic investigations in progress, and a report on the status of topographic mapping.
1919/28 cumulation includes material previously issued in the 1919/20-1935/36 issues and also material not published separately for 1927/28. 1929/39 cumulation includes material previously issued in the 1929/30-1935/36 issues and also material for 1937-39 not published separately.