Quinn River Valley, Nevada - 30x60 Minute USGS Topographic Map Trees Location: Tooele County and Davis

Location: Tooele County and Davis County

Location: Rich County

inviting readers to ponder the unanswered questions that continue to intrigue geologists and enthusiasts alike

Burning Hills

the Utah Geological Survey conducted geologic mapping of the Granite Peak and Sapphire Mountain area

Quinn River Valley, Nevada - 30x60 Minute USGS Topographic Map Trees Location: Tooele County and DavisThe 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