Present status of correlation of Illinois coals
By: by Harold E. Culver.
Publisher: Jeffersons Printing & Stationery Co.]
Published: 1927
Place of publication: Urbana, Ill; [Springfield
Language: eng
Number of pages: 13
Subjects: Geology, Stratigraphic -- Carboniferous.; Coal -- Illinois.
Other titles: Correlation of Illinois coals.
Notes: At head of title: State of Illinois. Department of registration and education. Division of the State Geological Survey.