TY - BOOK AU - Cluff, Robert W. CN - QE471.15.S5 CN - QE471.15.S5 CY - Champaign, Ill. : DA - 1981. ID - 33695 KW - Shale KW - Geology, Stratigraphic N1 - Accompanied by four folded plates in container. PB - Illinois State Geological Survey, PP - Champaign, Ill. : PY - 1981. T1 - The New Albany shale group of Illinois / TI - The New Albany shale group of Illinois / ER -