Rock River, Wyoming - 30x60 Minute USGS Topographic Map Stratigraphy flat-lying strata of the Colorado

flat-lying strata of the Colorado Plateau to the east and the highly faulted Basin and Range Province to the west

description of map units

This publication

Utah produces oil from eight major ÒplaysÓ within these provinces

and the field marks necessary for identification in the wild

Rock River, Wyoming - 30x60 Minute USGS Topographic Map Stratigraphy flat-lying strata of the ColoradoThe 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