Antioch Limestone Member of Dugger Formation of Carbondale Group (IN*)
Middle Pennsylvanian (Moscovian; Westphalian; Desmoinesian)*
Type section: in an abandoned strip mine 1.5 mi north of Antioch Church, in NE/4 SE/4 NW/4 sec. 24, T. 8 N., R. 8 W., [northeastern corner Dugger 7.5-min quadrangle], Sullivan Co., western IN (Shaver and others, 1970; Wier, unpub. ms.).
Illinois basin*
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Asterisk (*) indicates published by U.S. Geological Survey authors.
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