Ouray, Utah - 7.5 Minute Series Topo Map UGS MO Gilsonite is a solid hydrocarbon

Gilsonite is a solid hydrocarbon that forms a swarm of subparallel

Excelsior Mountain

shaded by trees planted long ago

an experienced hiker looking to hone your skills

This isn't merely a navigational tool

Ouray, Utah - 7.5 Minute Series Topo Map UGS MO Gilsonite is a solid hydrocarbonThe 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