Crater Island NW, Utah - 7.5 Minute Series Topo Map Minerals and Mining in Guidebook to Mineral districts

in Guidebook to Mineral districts of Southwestern Utah

as well as Tertiary volcanic and sedimentary rocks

Geophysical Setting of Western Utah and Eastern Nevada Between Latitudes 37° 45' and 40° N

From the Wasatch Mountains to the West Desert

color-coded boundaries for parks

Crater Island NW, Utah - 7.5 Minute Series Topo Map Minerals and Mining in Guidebook to Mineral districtsThe 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