; Brown shale,Dense limestone weathers brown,Black shale, not well exposed,Platy black shale & large concretions. 3 feet exposed. Sample from middle foot,Overburden with Hertha at top,Limestone (large concretions),Black shale,Black shale, blocky to thinly bedded where weathered,Black shale, blocky,Black shale, platy to blocky, & small concretions,Black shale, fissile where weathered,Limestone, fossiliferous,Black platy shale, poorly exposed,Limestone, with small brachiopods,