Ola, Nevada - 7.5 Minute Series Topo Map Green River Formation This Utah Geological Survey Miscellaneous

This Utah Geological Survey Miscellaneous Publication is the twentieth report in the Paleoseismology of Utah series

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The last four discuss the suitability for wastewater disposal in septic-tank soil-absorption systems

Ola, Nevada - 7.5 Minute Series Topo Map Green River Formation This Utah Geological Survey MiscellaneousThe 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