La Junta, Colorado - 30x60 Minute Series Topo Map Hand Lens Red Mountains

Red Mountains

Antelope Creek-Duchesne County

Utah ground-water quality: status and design for protection

Characterization of Streams and Springs in the Snake Valley Area

and symbolism for water features and other land forms

La Junta, Colorado - 30x60 Minute Series Topo Map Hand Lens Red 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