Grass Valley, Utah - 7.5 Minute Series Topo Map Finland Petrified Forest

Petrified Forest

and famous gems tell the fascinating stories of rocks and minerals

This map combines new surficial geologic mapping with compiled existing geologic quadrangle mapping

By: Tyler Knudsen

Tectono-sedimentary evolution of the western margin of the Colorado Plateau during latest Cenomanian and early Turonian

Grass Valley, Utah - 7.5 Minute Series Topo Map Finland Petrified ForestThe 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