Geological Survey (U.S.), Marshall, R. B. (Robert Bradford), 1867-1949, and Purdue, A. H. (Albert Homer), 1861-1917. U.S. Geological Survey ; R.B. Marshall, chief cartographer ; A.F. Hassan, cartographer ; compiled in 1911 and 1912 in cooperation with the State of... U.S. Geological Survey.
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Marshall, R. B. (Robert Bradford), 1867-1949. U.S. Geological Survey, George Otis Smith, Director. Title in lower left margin. At head of map: "Topography." Relief shown by contours and spot he... U.S. Geological Survey.
Marshall, R. B. (Robert Bradford), 1867-1949 and Berry, Richard W, 1933-. U.S. Geological Survey, George Otis Smith, Director ; R.B. Marshall, chief geographer ; Sledge Tatum, geographer in charge ; topography by R.W. Ber... U.S. Geological Survey.