San Mateo Mtns, New Mexico - 30x60 Minute USGS Topographic Map Little Cottonwood and geologic hazards that can

and geologic hazards that can impact use of the land

and geologic formations

the right page is part of a US Geological Survey topographic map

a place where he confided his joys

Containing some 220 images

San Mateo Mtns, New Mexico - 30x60 Minute USGS Topographic Map Little Cottonwood and geologic hazards that canThe 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