Fivemile Valley, Utah - 7.5 Minute Series Topo Map Mining History Books Geotechnical investigation and foundation design

Geotechnical investigation and foundation design for the reconstruction of Quail Creek dam

000 Size: 27" x 40"

the right page is part of a US Geological Survey topographic map

Imagine tracing your finger along the lines that represent the trails

Your navigation will be aided by the map's contour lines

Fivemile Valley, Utah - 7.5 Minute Series Topo Map Mining History Books Geotechnical investigation and foundation designThe 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