Ammon, Idaho - 7.5 Minute Series Topo Map Mountain Biking Books and other sources of useful

and other sources of useful navigational information

Field mapping for this publication was completed in 1954-57

metamorphic

detailed line drawings

catering to riders of all levels

Ammon, Idaho - 7.5 Minute Series Topo Map Mountain Biking Books and other sources of usefulThe 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