Arthur M. Miller. July 29, 1901. Estill Springs, Splendid exposures of whole series from Clinton to Black shale in immediate vicinity of Spring, and extending up Station Camp Creek to south of Kentucky River. Hand level section on road leading up White Oak Creek from the forks of the road at the branch. (See Beattyville Topographic Sheet, U.S.G.S.) 655 feet above tide to 780 feet. a little farther down stream a few layers containing Cycloneria bilix(?) are considered Upper Cincinnati. =1 mile North of Irvine & then up creek. Black shale 18 ft. Massive cherty Cornij. lined 58 ft Whitish shale with celeste crystals, Osgrod. With this limestone plates at 32, 25 and 22 feet above base, ac- cording to drawing. Exact elevation must not be taken too exactly from this since it was on a scale of 1 space for 5 feet. Bryozoa layers occur & to 10 feet above base, 3 feet layer with prominent radiate structures - crinofort like, 1 foot thick, above 2 ft layer, persistent, & reddish limestone. 24 feet of whitish shale, Osgrod, with thin reddish limestone containing ? algaeite + Ferro- sites, 22 feet above base. Red- ddish limestone interbedded with whitish shale occurs in lower 8 feet. 22 ft. Covered, {?} Reddish magnesian lime- stone with chert & button = Clinton.