Herder Creek, Nevada - 7.5 Minute Series Topo Map Kelsey These formations range in age

These formations range in age from Permian to Cretaceous

such as geologic investigations of slope stability

test results

Culled from her popular Salt Lake Tribune "Living History" column

Herder Creek, Nevada - 7.5 Minute Series Topo Map Kelsey These formations range in ageThe 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