1928. Geological Survey (U.S.). Relief shown by contours and spot heights.; Includes inset showing "Railroad lines leading to Mesa Verde National Park." 70 x 107 centimeters Scale... The Survey (Washington, D.C).
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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.