English: Ironstone from the PennsylvanianBreathitt Formation, Mile Marker 166, I-64, Kentucky. Collected during Dr. David Dominic's stratigraphy class fieldtrip, Oct. 17, 1998. Collection designation is ky1.
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2010-04-18 15:13 Jstuby 520×387 (67978 bytes) [[Ironstone]] from the [[Mississippian]] [[Breathitt Formation]], Mile Marker 166, [[Interstate 64|I-64]], Kentucky
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