Preston, Idaho - 30x60 Minute Series Topo Map GHOST STORIES desert terrain

desert terrain

and include a potentially ~18 ka Cedar Valley Lake (isolated from Lake Bonneville)

development in the San Juan County portion uses septic tank soil-absorption systems for wastewater disposal

and its hydrology and ground-water quality

Copyright: 2019

Preston, Idaho - 30x60 Minute Series Topo Map GHOST STORIES desert terrainThe 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