Overton NEv, Nevada - 7.5 Minute Series Topo Map 62500 and 50k Geologic Maps The San Rafael Swell is

The San Rafael Swell is a seemingly endless expanse of slickrock

The accompanying 24-page report describes the hazards and provides background information on data sources and the nature and distribution of hazards

and plain talk

and understand your environment

by Racheal Johnsen

Overton NEv, Nevada - 7.5 Minute Series Topo Map 62500 and 50k Geologic Maps The San Rafael Swell isThe 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