Birdseye, Utah - 7.5 Minute Series Topo Map 62500 and 50k Geologic Maps Willis and J

Willis and J

which at the surface makes up a circular area about a mile in diameter that is likely caused by a magma body at depth

Trail Mountain

and ranger stations

Birdseye, Utah - 7.5 Minute Series Topo Map 62500 and 50k Geologic Maps Willis and JThe 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