The Niagaran reefs in Illinois and their relation to oil accumulation
By: by Heinz A. Lowenstam.
Series: Illinois.  State Geological Survey.  Report of investigations,; no. 145.
Publisher: Illinois State Geological Survey
Published: 1949
Place of publication: Urbana
Language: eng
Number of pages: 36
Subjects: Geology, Stratigraphic -- Silurian.; Reefs.; Petroleum -- Geology -- Illinois.
Notes: Bibliographical footnotes.