Fourmile Bench, Utah - 7.5 Minute Series Topo Map Radon East Tintic volcanic field

East Tintic volcanic field

natural wonders

Progressive unconformities in the Upper Cretaceous-age Mesaverde through the Eocene-age Duchesne River Formation record the Laramide uplift of the Uinta Mountains and the coeval Sevier orogeny

An important step in characterizing the risk posed by a large earthquake is to map accompanying geologic hazards

The Broken Land conveys Frank DeCourten's awe at the story written in the rock of the basin

Fourmile Bench, Utah - 7.5 Minute Series Topo Map Radon East Tintic volcanic fieldThe 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