Big Bend, Utah - 7.5 Minute Series Topo Map Idaho Recreation Map author and geologist Marc S

author and geologist Marc S

as well as the type and severity of geologic hazards at a site

Pages: 293

Corey Barton

Big Bend, Utah - 7.5 Minute Series Topo Map Idaho Recreation Map author and geologist Marc SThe 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