Hilgard Mountain, Utah - 7.5 Minute Series Topo Map Ground Water s Energy Information Administration (EIA)

s Energy Information Administration (EIA) and the Utah Division of Oil

This book is about how to extract information and meaning from the remarkable and fascinating cliff dwellings

The papers contained in this Guidebook were solicited by the organizers of the GSA Rocky Mountain and Cordilleran Sections and have been edited and given a common format

the ninth in the National Geographic Pocket Guide series

What was it like during past ages

Hilgard Mountain, Utah - 7.5 Minute Series Topo Map Ground Water s Energy Information Administration (EIA)The 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