Steep Creek Bench, Utah - 7.5 Minute Series Topo Map Atlas a glossary of tracking terms

a glossary of tracking terms

In the 1840s

Ambrose shows us the American West as Lewis saw it - wild

Ranching & Trail Building History

Steep Creek Bench, Utah - 7.5 Minute Series Topo Map Atlas a glossary of tracking termsThe 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