Marshall County Sec. 16, T. 4 S., R. 6 E

North side of Blue River, 2 miles NNW of Waterville, NW 1/4 NW 1/4 sec 16 Measured By M.K. Elias, 1932 III-6
	Unit No. Description Thickness   Kinney limestone formation   17 Limestone, dense, fossiliferous 1.5 ft. 16 Shale, greenish, with fine sandy bands 3 ft. 15 Shale, calcareous 1 ft. 14 Shale, calcareous to splittery mudstone, with bands of fine soft conglomerate (made of small shale and calcareous pebbles) 3 ft.   Wymore shale member   13 Shale, green 4 ft. 12 Shale, purple 1 ft. 11 Shale, brick-red 1.5 ft. 10 Shale, purple 0.2 ft. 9 Shale, green 0.5 ft. 8 Shale, maroon 0.3 ft. 7 Shale, brick-red 2.5 ft. 6 Shale, green 2 ft. 5 Shale, maroon 1 ft. 4 Shale, brick-red 1 ft. 3 Shale, green 0.5 ft. 2 Limestone, green, massive, with quartz geodes near the top. Full of fragmentary and small fossils. Murchisonia and small Aviculopecten 2 ft. 1 Shale, green 1 ft.
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