Ouray, Utah - 7.5 Minute Series Topo Map UGS MO basin margins

basin margins

By: Robin Norris & Fred Snalam

appreciate the delicate balance of the desert environment

an experienced hiker looking to hone your skills

Ouray, Utah - 7.5 Minute Series Topo Map UGS MO basin marginsThe 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