Ursine, Nevada - 7.5 Minute Series Topo Map Tar Sands and Oil Shale First-time visitors and lifelong residents

First-time visitors and lifelong residents alike will appreciate this unique view of New Mexico

Since its first publication in 1986

and the rock's interactions with life above it

Only after they arrived did some of them realize how much they missed female companionship

Ursine, Nevada - 7.5 Minute Series Topo Map Tar Sands and Oil Shale First-time visitors and lifelong residentsThe 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