Latham Spring, Idaho - 7.5 Minute Series Topo Map blm By: Bill Fiero

By: Bill Fiero

rocks on the west in the Roosevelt Hot S~rings KGRA (Known Geothermal Resource

an occasional weekend warrior

How insects are trapped and preserved in amber

The map base includes contour lines

Latham Spring, Idaho - 7.5 Minute Series Topo Map blm By: Bill FieroThe 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