Mc Carty Peak, Colorado - 7.5 Minute Series Topo Map SH-4F National Geographic's Trails Illustrated map

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

Bedrock map units include the Cambrian Tintic through the Oligocene-age Bishop Conglomerate

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

Create your own maps with GPS software

selected waypoints and numbered Forest Service roads

Mc Carty Peak, Colorado - 7.5 Minute Series Topo Map SH-4F National Geographic's Trails Illustrated mapThe 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