Guide leaflet, geological science field trip, Hardin area, Calhoun County
Subtitle: Hardin and Brussels quadrangles
By: sponsored by Illinois State Geological Survey ; leaders: George M. Wilson and I. Edgar Odom
Series: Guide leaflet -- 1959B; Guide leaflet (Illinois State Geological Survey) -- 1959B.
Publisher: State of Illinois, Dept. of Registration and Education, State Geological Survey Division
Published: 1964
Place of publication: Urbana, Ill
Language: eng
Subjects: Geology
Other titles: Geological science field trip, Hardin area, Calhoun County.; Hardin and Brussels quadrangles.
Notes: Cover title.

Originally published 1959; revised November 3, 1964.

"May 2, 1959."

"Host: Hardin School."