Ayarbe Spring, Nevada - 7.5 Minute Series Topo Map Display Case PRINTED MAP SPECIFICS

PRINTED MAP SPECIFICS

In the spring of 2017

the map shows contour lines

(2) a groundwater divide likely exists south of the Utah-Arizona state line

century-long period of metal mining

Ayarbe Spring, Nevada - 7.5 Minute Series Topo Map Display Case PRINTED MAP SPECIFICSThe 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