Salt Wells, Utah - 7.5 Minute Series Topo Map Pack Guide natural features

natural features

The rocks and sediments exposed in the quadrangle represent a fairly complete sequence ranging in age from Middle Proterozoic to Holocene excluding most of the Mesozoic

and each Epoch of the Cenozoic

at least five to seven earthquakes occurred since ~13

Trimmer and K

Salt Wells, Utah - 7.5 Minute Series Topo Map Pack Guide natural featuresThe 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