Ibex Peak, Idaho - 7.5 Minute Series Topo Map River Guides and scenic overlooks

and scenic overlooks

the Rocky Mountains

Data for the geologic map of the Westwater 30' x 60' quadrangle were derived from published mapping

The ichthyological world of the twenty-first century is not the same as it was in the twentieth

Ibex Peak, Idaho - 7.5 Minute Series Topo Map River Guides and scenic overlooksThe 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