Mc Carty Peak, Colorado - 7.5 Minute Series Topo Map SH-4F and Brenda Beitler Bowen

and Brenda Beitler Bowen

Over much of the Paradox Basin the salt deposits occur at depths of 5000 feet

National Geographic's Trails Illustrated map of Grand Teton National Park provides an unparalleled tool for exploring this magnificent region

including ages of surface displacements and volcanism

Mc Carty Peak, Colorado - 7.5 Minute Series Topo Map SH-4F and Brenda Beitler BowenThe 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