Grassy, Utah - 7.5 Minute Series Topo Map Geologic Hazards Telephone Canyon

Telephone Canyon

) to Quaternary alluvial deposits and Pleistocene lacustrine deposits of Lake Bonneville

Upper Yosemite Falls

His ambitious scholarship offers a fresh look at Utah's changing landscape across geologic time

Fully up to date with GPS coordinates for more than 100 collecting locales

Grassy, Utah - 7.5 Minute Series Topo Map Geologic Hazards Telephone CanyonThe 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