Mount Moriah, Nevada - 7.5 Minute Series Topo Map backcountry delving into its history

delving into its history

each section covers a geographic area and town entries are arranged by location to make this the most user-friendly book on ghost towns west of the Mississippi

and the expansive Great Plains are illustrated in striking detail

polymetallic mineralization in a transverse zone

Toadstools

Mount Moriah, Nevada - 7.5 Minute Series Topo Map backcountry delving into its historyThe 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