Circular Butte 3 NW, Idaho - 7.5 Minute Series Topo Map GHOST STORIES This study builds on the

This study builds on the work of various previous investigators and includes new data from outcrop studies carried out by UGS personnel during the late 1980s as well as recently released coal company drilling and coal-quality data

have better defined the geologic history of northern Utah

The aquifers are bounded to the south and west by the erosional extent of the formations and to the east by the Hurricane Fault

The two quadrangles were mapped together because the major structures (faults and folds) cross both quadrangles

the International Center commercial area

Circular Butte 3 NW, Idaho - 7.5 Minute Series Topo Map GHOST STORIES This study builds on 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