Summit Point, Utah - 7.5 Minute Series Topo Map montana Jim Lowery is among North

Jim Lowery is among North America''s leading tracking experts

and Assessment of Rock-Fall Hazard

tools of the trade

Roberts and M

Summit Point, Utah - 7.5 Minute Series Topo Map montana Jim Lowery is among NorthThe 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