Sand Pass, Utah - 7.5 Minute Series Topo Map PECO Field These petroleum plays also serve

These petroleum plays also serve as an informational or planning guide to pipeline companies

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Sand Pass, Utah - 7.5 Minute Series Topo Map PECO Field These petroleum plays also serveThe 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