Plug Peak SE, Utah - 7.5 Minute Series Topo Map Salt Lake City This entertaining volume tells the

This entertaining volume tells the history of Park City

5/16” Dia

and Sonoran deserts

Cenozoic evolution of the Northern Colorado River extensional corridor

Excelsior Mountain

Plug Peak SE, Utah - 7.5 Minute Series Topo Map Salt Lake City This entertaining volume tells theThe 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