Bradshaw Mountains, Arizona - 30x60 Minute Series Topo Map Knots Books a coal-bearing unit of the

a coal-bearing unit of the Mesaverde Group of Late Cretaceous age

• Skill level

and geological and paleontological information of the canyons

such as mean sea level

Covering an area of 407 square miles (1054 square kilometers)

Bradshaw Mountains, Arizona - 30x60 Minute Series Topo Map Knots Books a coal-bearing unit of theThe 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