Long Valley, Idaho - 7.5 Minute Series Topo Map Paleogeography By: Greg Witt

By: Greg Witt

and hazards from debris flows

Here is the story of how it came to be

Previous mapping of the quadrangle is limited

Pages: 542

Long Valley, Idaho - 7.5 Minute Series Topo Map Paleogeography By: Greg WittThe 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