Lake Mead, Nevada - 30x60 Minute USGS Topographic Map rock hounding Pages: 553 p

Pages: 553 p

"Picture stone" from the Shinarump Conglomerate Member of the Chinle Formation is quarried locally

The book details the unique adventures and conflicts the author faces

The aeromagnetic data files are available online

Lake Mead, Nevada - 30x60 Minute USGS Topographic Map rock hounding Pages: 553 pThe 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