Bonneville Racetrack, Utah - 7.5 Minute Series Topo Map SH-17B Hiking the Wasatch is an

Hiking the Wasatch is an essential resource for exploring these mountain trails

expanded illustrations

Willis and J

By Albert B

Bonneville Racetrack, Utah - 7.5 Minute Series Topo Map SH-17B Hiking the Wasatch is anThe 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