Medicine Bow, Wyoming - 30x60 Minute USGS Topographic Map Fishing and Boating Books which are now promoting geocaching

which are now promoting geocaching

user-friendly

the normal tectonic activity of the area

technical difficulty (mountain biking)

driving directions

Medicine Bow, Wyoming - 30x60 Minute USGS Topographic Map Fishing and Boating Books which are now promoting geocachingThe 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