Relief shown by contours and shading.; Shows ancient and modern water surfaces.; Report on Lake Bonneville--Top right margin.; Includes note.; To accompany: Lake Bonneville / by G.K. Gilbert. (Monographs of the United States Geological Survey ; v. 1).
69 x 44 Centimeters
Scale 1:800,000. 1 inch = 12.626 miles
General Map Collection