Overton NE, Nevada - 7.5 Minute Series Topo Map Bears Ears makes it a must-have for

makes it a must-have for anyone fascinated by the natural world

Washington Dome

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Overton NE, Nevada - 7.5 Minute Series Topo Map Bears Ears makes it a must-have forThe 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