Johnston, William Drumm 1899- creator Geological Survey (U.S.) text bibliography alu University, Ala 1930 monographic eng

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48 p. incl. 8 pl., maps, tables. 23 cm. by William Drumm Johnston, jr. Prepared in cooperation with the United States Geological survey. At head of title: Geological survey of Alabama. Bibliographical foot-notes. Physical geography Alabama QE81 .A15 no. 38 gs 30000294 Library, U.S. Geological Survey 780207 20260227111335.0 gs 30000294