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A history of the relation of geology during the first 110 years of the US Geological Survey to the development of public-land, federal-science, and mapping policies and the development of mineral resources in the United States.
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.