Measured By Swain, Aug. 29, 1940; Shale,Limestone, gray, very fossiliferous, crinoids, brachiopods, bryozoans,Shale, laminated, weathers fissile,Limestone, grading up into shale, laminated, argillaceous; no fossils seen,Shale, olive-brown, clay,Shale, grading imperceptibly up into limestone; very fossiliferous. Large Chonetes, large crinoid stems (elliptical and round). Dictyoclostus, Lophophyllum, Derbya (small) is esp. (a) in the limestone, a thin zone of very fossiliferous limestone overlies this unit, with small crinoid stems and other dwarfed shells,Limestone (Five Point), gray, argillaceous with fusulines, crinoids, Rhombopora, Chonetes, Ambocoelia,Shale, gray with Chonetes, Linoproductus, Neospirifer, Hustedia, crinoid remains, [...]