Elko, Nevada - 30x60 Minute USGS Topographic Map wasatch at least five earthquakes occurred

at least five earthquakes occurred since ~4

this map highlights the state's varied terrain

the oldest formation exposed in the map area

Over the past decade

Elko, Nevada - 30x60 Minute USGS Topographic Map wasatch at least five earthquakes occurredThe 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