Franklin, Idaho - 7.5 Minute Series Topo Map Self Reliance wilderness areas

wilderness areas

Hydrogeology of Government Creek Basin

Geological and geochemical character of Cenozoic-age gold and silver deposits in the northeasternmost Great Basin

The San Rafael River mining area

while lighter shades highlight higher altitudes

Franklin, Idaho - 7.5 Minute Series Topo Map Self Reliance wilderness areasThe 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