Montgomery County Sec. 7, T. 35 S., R. 16 E

US 166, 4 miles West of Coffeyville Measured By R.C. M., 8/1929
	Unit No. Description Thickness 10 Shale light yellowish tan, very sandy, sandstone at top + 5 ft. 9 Limestone, blue, hard, dense, very fine, flaggy 1.2 ft. 8 Shale, bluish gray, calcareous grading to shaly granular limestone, fossiliferous, especially bryozoan, Marginifera, crinoid fragments   7 Limestone, bluish granular, irregular beds 0.2 - 0.5 thick Marginifera most abundant 11.5 ft. 6 Shale & thin limestone bluish Marginifera, Chonetes vernevilianus 2.7 ft. 5 Limestone, blue hard, Marginifera 0.5 ft. 4 Shale, blue, calcareous, Marginifera 2 ft. 3 Limestone, blue, hard, medium grained, xln fossils 2.1 ft. 2 Shale, blue, sandy - thin coal/streak (observed 1934) 1.6 ft. 1 Sandstone, bluish gray, massive exposed 11.1 ft.
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