Carrizozo, New Mexico - 30x60 Minute USGS Topographic Map Atlas governmental agen­cies

governmental agen­cies

and a variety of Quaternary deposits

Marble Canyon

Lewis and Clark

and historical information are noted throughout the text

Carrizozo, New Mexico - 30x60 Minute USGS Topographic Map Atlas governmental agen­ciesThe 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