Lithostratigraphy and depositional environments of the Maquoketa Group (Ordovician) in northern Illinois
By: Dennis R. Kolata and Anne M. Graese.
Contributors: Graese, Anne M.
Series: Circular / Illinois State Geological Survey ;; 528; Circular (Illinois State Geological Survey) ;; 528.
Publisher: Illinois State Geological Survey
Published: 1983
Place of publication: Champaign, Ill. (615 E. Peabody Dr., Champaign 61820)
Language: eng
Number of pages: 49
Subjects: Geology, Stratigraphic -- Ordovician.; Rocks, Sedimentary.; Petrology -- Illinois.; Geology -- Illinois.
Notes: Bibliography: p. 34-35.
Two folded maps in pocket.