TY - BOOK AU - Howard, R. H. AU - Whitaker, Stephen T. CN - TN872.I3 CN - TN872.I3 CY - Champaign, [Ill.] : DA - 1988. ID - 125090 KW - Petroleum KW - Geology, Stratigraphic PB - Illinois State Geological Survey, PP - Champaign, [Ill.] : PY - 1988. T1 - Hydrocarbon accumulation in a paleovalley at Mississippian- Pennsylvanian unconformity near Hardinville, Crawford County, Illinois :a model paleogeomorphic trap / TI - Hydrocarbon accumulation in a paleovalley at Mississippian- Pennsylvanian unconformity near Hardinville, Crawford County, Illinois :a model paleogeomorphic trap / VL - 129 ER -