Christmas Valley, Oregon - 30x60 Minute Series Topo Map Wasatch Back Aerial The map includes contour lines

The map includes contour lines

Tin Cup Mesa-San Juan County

from the 1999 Megatrench Site

The primary source of discharge is assumed to be well discharge for both the main and Gunlock parts of the aquifers

1982 set records at many measuring stations in the state

Christmas Valley, Oregon - 30x60 Minute Series Topo Map Wasatch Back Aerial The map includes contour linesThe 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