Keyword [Springfield coal] Result: 1 - 3 | Page: 1 of 1 1.  Geophysical investigation of subsurface structure of the Pennsylvanian and younger strata associated with the Inman East Fault, Gallatin County, Illinois 2.  Subsurface geometry and petrography of rock units between the Beech Creek ('Barlow') limestone (Pope Group) and the Springfield coal (Carbondale Formation) across part of the La Salle anticlinorium, Lawrence County, Illinois 3.  Palynology of the Springfield Coal of the Illinois Basin (Middle Pennsylvanian) with quantitative comparison of spore floras and coal-ball peats and implications for paleoecological studies   <<First  <Prev  Next>  Last>>  Jump to

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