Paleogeologic map of the sub-Pennsylvanian Chesterian (upper Mississippian) surface in the Illinois basin
By: [by] H. M. Bristol [and] R. H. Howard.
Contributors: Howard, Richard Henry, joint author.; Indiana. Geological Survey.; Kentucky Geological Survey.
Series: Illinois. State Geological Survey. Circular; 458; Circular (Illinois State Geological Survey) ;; 458.
Publisher: Illinois State Geological Survey
Published: 1971
Place of publication: Urbana
Language: eng
Number of pages: 14
Subjects: Geology, Stratigraphic -- Mississippian.; Geology -- Illinois.
Notes: Bibliography: p. 14.
Cover title.
"Prepared in cooperation with the Indiana Geological Survey, Bloomington and the Kentucky Geological Survey, Lexington."
Part of illustrative matter in pocket.