Mount Trumbull, Arizona - 30x60 Minute Series Topo Map FALCON This Miscellaneous Publication presents the

This Miscellaneous Publication presents the results of four individual investigations undertaken to acquire new geologic and

(2) quartzchal-copyrite veins

residents and travelers alike can explore this year-round haven for outdoor enthusiasts and take full advantage of all that it has to offer

and visit the rim of the Long Valley caldera

The Utah Geological Survey conducted a geologic-hazard investigation of a portion of Zion national Park to provide the National Park Service with geologic-hazard information for future park management

Mount Trumbull, Arizona - 30x60 Minute Series Topo Map FALCON This Miscellaneous Publication presents theThe 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