Terry Benches, Nevada - 7.5 Minute Series Topo Map 24k utah topo Gem materials are mined intermittently

Gem materials are mined intermittently to supply the tourist trade

into the Glenridge well for one week at a rate of 500 gallons per minute

Five cross sections tied to and at the same scale as the map help interpret the likely extent of the geothermal resource

and were limited in the amount of drill hole data available at the time

Illustrated with black & white photographs

Terry Benches, Nevada - 7.5 Minute Series Topo Map 24k utah topo Gem materials are mined intermittentlyThe 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