Marshall County Sec. 22, T. 4 S., R. 7 E

One mile east of Blue Rapids, center sec 16 Measured By M.K. Elias, 1932 Remarks II-7
	Unit No. Description Thickness   Threemile limestone member   17 Limestone, massive, scattered flint nodules in upper part, flint bed in lower part, below which occur scattered crinoid joints 2.2 ft. 16 Limestone, massive, double flint band at the top; Pinna, Composita, Juresania, Derbyia, Dictyoclostus, Wellerella, and Chonetes 1.5 ft. 15 Shale, calcareous 0.3 ft. 14 Limestone, massive, with thick flint band slightly above the middle 2.0 ft.   Speiser shale formation   13 Shale, gray, splittery, with Chonetes, Derbyia, Composita, and bryozoa 3 ft. 12 Mudstone, gray, splittery 0.8 ft. 11 Shale, dark-green and purple 9.5 ft. 10 Shale, green 1.5 ft. 9 Shale, red, to mudstone at the top 2 ft. 8 Shale, green 1 ft. 7 Mudstone, irregular lense [?], green and pink 1 ft. 6 Shale, green 1 ft.   Funston limestone member   5 Limestone, banded, somewhat cavernous 1.5 ft. 4 Shale, green, with little red 2 ft. 3 Limestone, banded, red with green crusts near top 0.5 ft. 2 Shale, dark-gray, splittery 5.5 ft. 1 Limestone 1+ ft.
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