Cross section of the Paleozoic rocks of northeastern Illinois
Subtitle: implications for subsurface aggregate mining
By: Donald G. Mikulic.
Series: Illinois minerals ;; 106
Publisher: Illinois State Geological Survey
Published: 1990
Place of publication: Champaign, Ill. (615 E. Peabody Dr., Champaign 61801)
Language: eng
Number of pages: 14
Subjects: Aggregates (Building materials) -- Illinois.; Geology, Stratigraphic -- Paleozoic.; Geology -- Illinois.
Notes: Includes bibliographical references (p. 13-14).