Lamerdorf Peak NW, Utah - 7.5 Minute Series Topo Map SH-17C and environmental geology/hydrology of this

and environmental geology/hydrology of this vast region

Zion and its backcountry are popular year-round for joyful adventures that include touring

Greg McDonald

dramatic structures

Lamerdorf Peak NW, Utah - 7.5 Minute Series Topo Map SH-17C and environmental geology/hydrology of thisThe 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