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Work done in cooperation with the Department of the Army, New England Division, Corps of Engineers. Description of the geology of a glaciated terrane of lower Paleozoic rocks in northern Maine with generalizations on exploration geochemistry and engineering materials.
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.