Runswick Wash, Utah - 7.5 Minute Series Topo Map SH-1C using an altimeter to pinpoint

using an altimeter to pinpoint your position

0 cm/yr to roughly 1-2 cm/yr after 1999

Water-level and water-quality changes in Great Salt Lake

from the perils of religious utopianism to the permeable border between civilization and savagery

Runswick Wash, Utah - 7.5 Minute Series Topo Map SH-1C using an altimeter to pinpointThe 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