Carp, Nevada - 7.5 Minute Series Topo Map Geologic Maps Tips and precautions

Tips and precautions

Contains two plates-a geologic map at 1:24

San Juan National Forest

Ground-water development in Utah and effects on ground-water levels and chemical quality

poisonous mushrooms

Carp, Nevada - 7.5 Minute Series Topo Map Geologic Maps Tips and precautionsThe 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