Willow Springs, Utah - 7.5 Minute Series Topo Map Identification Field Guides Place names may appear in

Place names may appear in 1900 that are absent on the current map

detailed characteristics

Shasta-Trinity

By: Dave Keighley

of the pluton were partially removed by denudation faulting to the west

Willow Springs, Utah - 7.5 Minute Series Topo Map Identification Field Guides Place names may appear inThe 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