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As many as 6 named and unnamed marine units and many important commercial coal beds-Betsie Shale Member Several thin unnamed coal beds No. 2 ("Quakertown") coal Huckleberry coal Anthony coal Sciotoville flint clay Unnamed marine zone Sharon coal "Sharon" conglomerate No coals identified on 1-64 in the Schulzospora rara zone at Gregoryville Four or more coal zones in at least 150 m of section in the overlap zone_______ Olive Hill flint day CHART 1. Correlation chart of major and minor stratigraphic units in rocks of Pottsville and early Allegheny age between southern Ohio and northeastern and southeastern Kentucky. Palynology of coal beds for southern Ohio and Kentucky is from recent unpublished work of Robert M. Kosanke (U.S. Geological Survey, Denver, CO, written commun., 1992); palynology of the coal beds in the Gregoryville section at Stop 9 is by Cortland Eble. The Boggs limestone has been identified only in central Ohio, but is included here because it contains the earliest occurrence of fusulinids in Ohio and is a correlative of the Stoney Fork Member of the Breathitt Formation in Kentucky.

Very well preserved gastropods, with preserved color banding, are common in a newly discovered site in the Eastern Kentucky Coal Field. The fossils occur in calcareous silty shales of the Middle Pennsylvanian Kendrick Shale Member of the Breathitt Formation. Three genera of gastropods, Bellerophon, Straparollus, and Ianthanopsis, have been found with preserved color patterns.