Grandaddy Lake, Utah - 7.5 Minute Series Topo Map SH-ES7-A Needle Mountains

Needle Mountains

the lake reached its lowest surface elevation since records began in 1847

featuring 44 color plates

Plates: 29 pl

Grandaddy Lake, Utah - 7.5 Minute Series Topo Map SH-ES7-A Needle MountainsThe 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