Guide to the geology of the Decatur area, Macon and Christian counties
By: David L. Reinertsen ... [et al.].
Contributors: Illinois State Geological Survey
Series: Field trip / Illinois State Geological Survey; Field trip guide leaflet (Illinois State Geological Survey) ; 1991C
Publisher: Illinois State Geological Survey
Published: 1991
Place of publication: Champaign, Ill
Language: eng
Subjects: Geology
Other titles: Decatur area geology guide.; Guide leaflet.
Notes: Series popularly known as Guide leaflet and Field trip guidebook.

"September 14, 1991."

Includes bibliographical references (p. 40-41).