Marshall County Sec. 9, T. 4 S., R. 8 E

South of center SE 1/4 sec 9, north of the road Measured By M.K. Elias, 1932 Remarks III-8
	Unit No. Description Thickness   Schroyer limestone member   15 Flint 1.5 ft. 14 Limestone with two bands of flint 1.5 ft.   Havensville shale member   13 Shale 1 ft. 12 Mudstone 0.5 ft. 11 Shale, green 3.5 ft. 10 Mudstone, with Pinna and Allorisma 1.5 ft. 9 Mudstone, splittery, Derbyia, Pinna, and small Composita at the top 3.5 ft. 8 Shale, calcareous at the top 9 ft.   Threemile limestone member   7 Limestone with flint band 1.2 ft. 6 Limestone 0.8 ft. 5 Covered 1.5 ft. 4 Limestone with flint band in upper part; Composita 1.1 ft. 3 Shale, calcareous 0.3 ft. 2 Limestone with flint band, Composita 0.8 ft.   Speiser shale formation   1 Shale, gray 1 ft.
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