Coffey County Sec. 27, T. 22 S., R. 14 E

1 mile East of Gridley Measured By R.C. M., 07/17/1929
	Unit No. Description Thickness 13 Limestone bluish gray thin bedded, shelly irregular beds, weathers brown hard fine to granular (Ervine Ck) 3 ft. 12 Shale gray and yellow 1.7 ft. 11 Limestone dull blue gray, hard dense vertical joints, weathers thin light creamy yellow crust (Plummer) 0.7 ft. 10 Shale and covered, + 63 ft., est dip (= interval in Lee and Garlough gen'l sec) 78 ft. 9 Limestone bluish thin bedded shelly 0.7 ft. 8 Limestone blue weathers brown hard fine dense massive, has dark blue Cryptozoan, large Fusilinids and common Aulopora 2 ft. 7 Shale 0.4 ft. 6 Limestone blue to drab fine, earthy, platy to shelly in lower part 1.7 ft. 5 Shale and covered 6.5 ft. 4 Limestone yellowish brown, soft crumbly, irregular 0.7 ft. 3 Shale and covered 1.9 ft. 2 Limestone blue weathers brown very hard, single massive bed, filled with Fusilinids (Big Springs) + 3 ft. 1 Shale and covered     Beds 1 - 9 = R.C.M. 107; Beds 11 - 13 = R.C.M. 108
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