Neosho County Sec. 20, T. 29 S., R. 20 E

Roadcut north of Hertha. Type exposure of Hertha limestone Measured By Newell, 6/26/1934 Trip by Greene, Moore, and Newell
	Unit No. Description Thickness 7 Drab, granular, slabby, fossiliferous, "super" phase. There may be some shale at the base +/- 20 ft. 6 Bluish gray, horizontally veined 7 ft. 5 Gray, calcareous, very fossiliferous; Marginifera 1.4 ft. 4 Hard, gray, calcareous, platy 2 ft. 3 Black, almost fissile, carbonaceous shale with large, hollow "niggerhead" concretions 8 ft. 2 Hard, gray, argillaceous limestone 1 ft. 1 Gray, platy, argillaceous
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