Gold Hill Wash, Utah - 7.5 Minute Series Topo Map Wasatch Hiking Book and the natural history of

and the natural history of California

a valuable resource for both casual readers and serious students of geology

La Sal Mountains

a brief route description

Gold Hill Wash, Utah - 7.5 Minute Series Topo Map Wasatch Hiking Book and the natural history 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