Gannett Peak, Wyoming - 30x60 Minute USGS Topographic Map General Geology This self-actuating CD-ROM contains an

This self-actuating CD-ROM contains an easily accessible image with software for viewing and printing

the valley floor near the community of Vernon

The third part includes a glossary of geologic terms and other useful resources in the appendices

dramatic structures

along with the facilities at each

Gannett Peak, Wyoming - 30x60 Minute USGS Topographic Map General Geology This self-actuating CD-ROM contains anThe 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