Measured By M.K. Elias, 1932; Herington Limestone Member,Limestone,Paddock Shale Member,Shale,Krider Limestone Member,Limestone, splittery,Shale, somewhat calcareous, the following fossils in the upper 2' and in the limestone above: Derbya, Composita, crinoid joints, bryozoa,Limestone, tough, yellow-hued gray, with pelecypods and Murchisonia,Odell Shale Formation,Shale, green,Shale, red,