Carson Sink, Nevada - 30x60 Minute USGS Topographic Map Magnifiers and Loupes Published: 1964

Published: 1964

such as that found in Utah

it's your portal to adrenaline-pumping trails and breathtaking vistas

in 855 full-color images

Pages: 144

Carson Sink, Nevada - 30x60 Minute USGS Topographic Map Magnifiers and Loupes Published: 1964The 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