Dubinky Wash, Utah - 7.5 Minute Series Topo Map Uranium and Vanadium and the dramatic canyons of

and the dramatic canyons of the Colorado Plateau

and the Lee's Ferry area of Glen Canyon National Recreation Area

and a cross-section

and the public land survey system

Bingham Canyon Mine Expansion Evaluation

Dubinky Wash, Utah - 7.5 Minute Series Topo Map Uranium and Vanadium and the dramatic canyons ofThe distinctive characteristic of a topographic map is that the shape of the Earth's surface is shown by contour lines. Contours are imaginary lines that join points of equal elevation on the surface of the land above or below a reference surface, such as mean sea level. Contours make it possible to measure the height of mountains, depths of the ocean bottom, and steepness of slopes. A topographic map shows more than contours. The map also includes