Jensen Ridge, Utah - 7.5 Minute Series Topo Map PECO Field This color map covers the

This color map covers the Dry Fork quadrangle

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Utah: Are they pyroclastic fall beds from the Oligocene ignimbrites of western Utah and eastern Nevada

Jensen Ridge, Utah - 7.5 Minute Series Topo Map PECO Field This color map covers theThe 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