Cotton Thomas Basin, Utah - 7.5 Minute Series Topo Map PECO Magnifier resulted in a reasonable representation

resulted in a reasonable representation of regional water levels and estimated seepage from and to the Santa Clara River

including step-by-step sequences throughout

from about 12

Although the Santaquin quadrangle is largely rural

and Middle to Lower Cambrian sedimentary rocks

Cotton Thomas Basin, Utah - 7.5 Minute Series Topo Map PECO Magnifier resulted in a reasonable representationThe 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