Mount Washington, Oregon - 7.5 Minute Series Topo Map shaded relief and closure

and closure

Boulder City

explore hidden gems in remote canyons

and the Death Valley flow system

about 25 mi2 (65 km2) in size

Mount Washington, Oregon - 7.5 Minute Series Topo Map shaded relief and closureThe 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