Green River from the Union Pacific Rail Road to the mouth of White River, 1873 / Department of the Interior, U.S. Geological and Geographical Survey of the Territories, Second Division, J.W. Powell geologist in charge ; A.H. Thompson, geographer ; H.C. DeGeological and Geographical Survey of the Territories (U.S.)1876?]"Vertical distance between contour lines 250 feet."Appears in Powell's Atlas accompanying the report on the geology of a portion of the Uinta Mountains and a region of country adjacent thereto. New York: Julius Bien, lith., l876.In top margin: Map A.Relief shown by contours.cartographic