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

2 miles N of Hertha, Ks. Measured By J.M. Jewett, 1939 Restudy of Type Hertha
	Unit No. Description Thickness 7 Limestone, light to dark gray, massive to thin irregular beds; some beds up to 1.5 ft., full of "marklet" like calcite veins, mottled, few brachiopods 6 ft. 6 Shale: upper 0.5 ft. gray, silty, fossils; lower 1.1 ft. dark to black, silty; fossils more abundant in upper 0.5 ft. than in lower 1.1 ft. 1.6 ft. 5 Mudstone, laminated, hard, dark blue-gray, cross bedded in lower part 2.4 ft. 4 Shale, gray, silty 0.25 ft. 3 Shale, black platy 8.3 ft. 2 Mudstone, hard, dark, dense, variable thickness, "flags" of Bourbon and southern Linn Co. +/- 2.2 ft. 1 Shale gray, silty +/- flaky     See photograph - J.M.J.
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