Poker Peak, Idaho - 7.5 Minute Series Topo Map Pony Express in adjacent strata

in adjacent strata

Dan Plazak provides an entertaining and informative volume that's a treat for anyone with an interest in Western mining history

Mount Hancock

subdued colors give these maps a sophisticated old-world style while delivering the digital accuracy and extraordinary clarity you'd expect from any Rand McNally map

and Gregg S

Poker Peak, Idaho - 7.5 Minute Series Topo Map Pony Express in adjacent strataThe 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