Mesquite NW, Nevada - 7.5 Minute Series Topo Map Fishing and Boating Books A century and a half

A century and a half of metal prices with projections for the future

Darker shades represent lower elevations

Every landform has a distinct geologic history

but sometimes it’s easy to forget things you felt or saw

Kodachrome Basin

Mesquite NW, Nevada - 7.5 Minute Series Topo Map Fishing and Boating Books A century and a halfThe 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