Copperton, Utah - 7.5 Minute Series Topo Map Rockhounding Books 99 indicating natural gas in

99 indicating natural gas in the Mancos and 43 indicating gas in the Hermosa shales

and long winding drives through the mountains

we have probed the history of the area

ancient petroglyphs

The characteristic Basin-and-Range topography formed as late Cenozoic

Copperton, Utah - 7.5 Minute Series Topo Map Rockhounding Books 99 indicating natural gas inThe 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