Eightmile Spring, Utah - 7.5 Minute Series Topo Map Audubon Guide Books Weibel & Dan Miller

Weibel & Dan Miller

full-color trail map

Projection of ground water is vital as more people live and work in areas that affect the aquifers

and possibly affected by the rise and fall of Lake Bonneville

Eightmile Spring, Utah - 7.5 Minute Series Topo Map Audubon Guide Books Weibel & Dan MillerThe 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