Mesquite Lake, Nevada - California - 30x60 Minute Series Topo Map SH-1B Birch Creek

Birch Creek

stilbite and thomsonite

by Bruce Bryant and published by the U

forming scenic black terrain that contrasts sharply with red-brown to near-white sandstone cliffs

appropriate sites for disposal/reuse of water

Mesquite Lake, Nevada - California - 30x60 Minute Series Topo Map SH-1B Birch CreekThe 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