Marshall County Sec. 18, T. 3 S., R. 7 E

Two miles NNW of Schroyer, NE 1/4 SW 1/4 sect. 18 Measured By M.K. Elias, 1932 Remarks: III-11
	Unit No. Description Thickness   Florence limestone member   20 Limestone with flint bands 5.5 ft.   Blue Springs shale formation   19 Limestone, massive, white 2 ft. 18 Limestone with flint bands 7 ft. 17 Limestone with six flint bands, the lower three close together 4 ft. 16 Shale, calcareous, finely laminated, gray, with Dictyoclostus americanus and other fossils 1.5 ft. 15 Covered 4 ft. 14 Shale, green 8 ft. 13 Shale, red 2 ft. 12 Shale, green 0.5 ft. 11 Shale, red 5.5 ft. 10 Shale, green 0.5 ft. 9 Shale, purple 1 ft. 8 Shale, green 0.8 ft. 7 Shale, purple 1 ft. 6 Shale, dark-green 0.8 ft. 5 Mudstone, soft, light-green 3.2 ft. 4 Shale, dark-green 1 ft. 3 Shale, light-green, massive 3 ft. 2 Shale, dark-gray to black, massive, with Anthracomya 4.5 ft.   Kinney limestone formation   1 Limestone, soft, splittery, dark-gray 2 ft.
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