Signal Peak, Utah - 7.5 Minute Series Topo Map Gem Trails Here you'll find excerpts of

Here you'll find excerpts of nonfiction classics such as Bernard DeVoto's Across the Wide Missouri

one of the largest in Utah

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

The field geology of the Moab fault

A sequence stratigraphic overview of sandy and gravelly lacustrine deltas deposited along the eastern margin of Late Pleistocene Lake Bonneville

Signal Peak, Utah - 7.5 Minute Series Topo Map Gem Trails Here you'll find excerpts ofThe 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