Measured By M.K. Elias, 1932; Luta Limestone Member,Limestone, white, chalky, soft,Limestone, greenish-white, splittery, with Lingula (?),Shale, green,Limestone, white, flaggy, with green remains of seaweeds,Shale, calcareous,Mudstone, splittery,Limestone, splittery, with crinoid joints, echinoid remains, Derbya (numerous), Composita, Schizodus,Cresswell Limestone Member,Limestone, massive,