Marysvale Peak, Utah - 7.5 Minute Series Topo Map Gold Prospecting + 261 photographs

+ 261 photographs

This unique guide directs you to a wide variety of both "fee and free" rockhounding and mineral adventures throughout the western states

and each Epoch of the Cenozoic

and other illustrations- more than 200 new to this edition-the book is a fine primer in geological science for readers who wish to understand the course of the Earth's evolution

Doug Evans

Marysvale Peak, Utah - 7.5 Minute Series Topo Map Gold Prospecting + 261 photographsThe 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