Sharp Mountain, Utah - 7.5 Minute Series Topo Map Smithsonian DK Series By: Paul Tawrell

By: Paul Tawrell

Practical advice on cutting

some geologic units have been reclassified

This knowledge allows engineers to estimate site-class effects

Sharp Mountain, Utah - 7.5 Minute Series Topo Map Smithsonian DK Series By: Paul TawrellThe 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