Gerlach, Nevada - 30x60 Minute USGS Topographic Map UGS M offering a glimpse into Utah's

offering a glimpse into Utah's prehistoric past

It depicts the distribution of glacial deposits and post-glacial sediments including mass wasting

Find spots where there used to be twin rails carrying hundreds of passengers

by Winston M

Pages: 476

Gerlach, Nevada - 30x60 Minute USGS Topographic Map UGS M offering a glimpse into Utah'sThe 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