Greasewood Draw, Utah - 7.5 Minute Series Topo Map Pocket Guides By: Cally Oldershaw

By: Cally Oldershaw

including the processes of lithic reduction

the International Center commercial area

and its brightly colored photographs take you step by step through each bend and turn

fierce battles

Greasewood Draw, Utah - 7.5 Minute Series Topo Map Pocket Guides By: Cally OldershawThe 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