Marshall County Sec. 32, T. 3 S., R. 7 E

1 1/4 miles south and 1/4 mile east of Schroyer, NE 1/4 NW 1/4 sect. 32 Measured By M.K. Elias, 1932 Remarks: III-10a
	Unit No. Description Thickness   Wymore shale member   28 Shale, gray, clayey 3 ft. 27 Limestone, gray, tough 0.8 ft. 26 Shale, massive, limy, gray, with quartz geodes 6 ft. 25 Shale, dark-gray 1.4 ft. 24 Limestone 0.1 ft. 23 Shale, limy 1.5 ft.   Schroyer limestone member   22 Limestone with quartz geodes and two thin flint bands; crinoid joints 1 ft. 21 Limestone, soft, with Dictyolcostus, Composita, Derbyia, and Rhombopora 1.5 ft. 20 Limestone, light-gray, amssive, full of fragments of shells 3 ft.   Havensville shale member   19 Mudstone, massive, with quartz geodes and possibly with poorly preserved pelecypods 4.5 ft. 18 Mudstone, flaggy, with quartz geodes 2.5 ft. 17 Mudstone, splittery 2 ft. 16 Mudstone, with pebbles of shale 1 ft. 15 Mudstone, splittery, softer toward the base 7 ft. 14 Shale, clayey, green-gray 8.2 ft. 13 Limestone, flaggy, with one thin flint band 1 ft. 12 Limestone, massive, with one thick flint band 1 ft. 11 Limestone, massive, with thin flint band near the top and thick flint band near the base 2 ft. 10 Limestone, massive 0.6 ft. 9 Shale 0.2 ft. 8 Limestone, massive, with one flint band 1 ft. 7 Shale, calcareous 0.3 ft. 6 Flint 1 ft.   Speiser shale formation   5 Shale, splittery, dark-gray, black in the middle 1 ft. 4 Mudstone, dark-gray 0.3 ft. 3 Shale, black 1 ft. 2 Shale, gray 1 ft. 1 Limestone, light-gray 1 ft.
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