Niagaran reefs and oil accumulation in the DeWitt-McLean County area, Illinois
By: Richard H. Howard.
Series: Illinois.  State Geological Survey.  Circular 377.
Publisher: Illinois State Geological Survey
Published: 1964
Place of publication: Urbana
Language: eng
Number of pages: 15
Subjects: Geology, Stratigraphic -- Silurian.; Geology -- Illinois -- De Witt County.; Geology -- Illinois -- McLean County.; Petroleum -- Illinois -- De Witt County.; Petroleum -- Illinois -- McLean County.
Notes: Bibliography: p. 15