Mesa Butte, Utah - 7.5 Minute Series Topo Map Butterflies Search for stunning Montana agate

Search for stunning Montana agate along the Yellowstone River

and sportsmen in particular

contains an enormous landslide complex

the Allosaurus

Mesa Butte, Utah - 7.5 Minute Series Topo Map Butterflies Search for stunning Montana agateThe 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