1890. Geological Survey (U.S.). Contour interval 10 feet.;"Surveyed in 1889-90.";Relief indicated by contours.;1 map, colored;45 x 34 cm.;1:62,500. U.S. Geological Survey (U.S.).
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1890. Geological Survey (U.S.), Gilbert, Grove Karl, 1843-1918, and Thompson, Gilbert, 1839-1909. Relief shown by contours and shading. Shows ancient and modern water surfaces. "Report on Lake Bonneville"--top right margin. Includes note. "To ac...