This series of 155 brief illustrated articles is part of a set of about 250 such articles produced by the Indiana Geological Survey between 1974 and 1984. The articles were distributed to and printed by newspapers all over Indiana. During that period the Geological Survey, which is located on Indiana University's Bloomington campus, was a division of the Indiana Department of Natural Resources. The Survey became an applied research institute of Indiana University in 1993.

This electronic version was prepared by
Jian Liu and Anne Graham, Reference Department, IU Libraries
in collaboration with
Lois Heiser Geology Library, IU Libraries and Indiana Geological Survey, IU

November 1998

Comments and Suggestions are welcome.