Odom, I. E., & Parham, W. E. (1968). Petrography of Pennsylvanian underclays in Illinois and their application to some mineral industries. Illinois State Geological Survey.
Chicago Style (17th ed.) CitationOdom, I. E., and Walter E. Parham. Petrography of Pennsylvanian Underclays in Illinois and Their Application to Some Mineral Industries. Urbana, Ill.: Illinois State Geological Survey, 1968.
MLA (9th ed.) CitationOdom, I. E., and Walter E. Parham. Petrography of Pennsylvanian Underclays in Illinois and Their Application to Some Mineral Industries. Illinois State Geological Survey, 1968.
Warning: These citations may not always be 100% accurate.
