Chase County Sec. 22, T. 19 S., R. 9 E

Section in road cuts, South of Cottonwood River, 1 mile South of Straffordville, near Southeast corner. Measured By Swain, 1939
	Unit No. Description Thickness 23 Concealed and slumped above to top of hill. Boulders of brecciated Neva limestone strew hilltop South of road   22 Light gray limestone, weathered, white, very platy, laminated + 1 ft. 21 Shale, light brown, fissile, calcareous, brachiopods, bryozoa, and a few fusulines, rest limy layer 2 feet above base 4 ft. 20 Limestone, dark gray brown, wavy thick bedded, argillaceous, hi-spired snails and clams 0.5 ft. 19 Shale, light olive brown, fissile calcareous 6.5 ft. 18 Limestone and shale, light gray argillaceous, limestone at top and bottom 2 ft. 17 Shale, olive brown, fissile, calcareous, with lime pellets 2.5 ft. 16 Limestone, light gray, soft, wavy bedded, argillaceous, pelecypods 0.5 ft. 15 Shale, pea green 10 ft. 14 Concealed 10 ft. 13 Limestone, light gray, dense, oolitic, massive, weathers to rough surface, small clams 1 ft. 12 Concealed, presumably shale 5 ft. 11 Limestone, light gray, weathers buff, thick bedded, algae - flattish, elliptical 7.7 ft. 10 Shale, pea-green, weathers buff, thick lamination hackly 6 ft. 9 Shale, dark purle green, weathers grass green, hackly 5 ft. 8 Shale or marl, light brown to buff, thick bedded. 1 foot layer of mudstone at top 2.8 ft. 7 Clay, light brown to buff, thick bedded calcareous, with many thin layers of lime pan, more limy at top, grades into overlying unit 6 ft. 6 Celestite and chalcedony 0.4 ft. 5 Limestone, light brown, dense, massive, argillaceous, with numerous remains of small organisms 0.7 ft. 4 Limestone, and shale, thick bedded, platy, lime increases toward top, buff 5 ft. 3 Limestone, light brown-gray, rather porous, massive at base, thick bedded in upper foot, crinoids, ostracoda? 3 ft. 2 Shale, olive gray, weathers light buff, much covered, fusulines, huge, robust, lower boundary gradational 3.5 ft. 1 Limestone, very argillaceous, fusulines, make up lime content = Thrall ledge of Elmdale section. Base of Americus should be mapped at foot of hill here, not across river 3 ft.
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