Geology of the Bloomfield Quadrangle, Johnson County, Illinois
By: W. John Nelson.
Series: Bulletin / Illinois State Geological Survey ;; 99; Bulletin (Illinois State Geological Survey) ;; no. 99.
Publisher: Dept. of Energy and Natural Resources, Illinois State Geological Survey
Published: 1993
Place of publication: Champaign, Ill
Language: eng
Number of pages: 30
Subjects: Geology -- Illinois -- Johnson County.
Notes: Includes bibliographical references (p. 29-30).