Bagdad, Arizona - 30x60 Minute Series Topo Map Opening the West Books (2) statistical trends of the

(2) statistical trends of the basinÕs water quality

These are well displayed by the colorful and varied formations of the region

weaken bridge abutments and generally make travel impossible

bringing the process of interpreting and understanding maps to a whole new level

The Basin is bounded by the Uncompahgre Uplift to the east and north

Bagdad, Arizona - 30x60 Minute Series Topo Map Opening the West Books (2) statistical trends 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