Pottawatomie County Sec. 25, T. 7 S., R. 6 E

Wreford formation east of Big Blue, about 3 mi. SE of railroad station at Randolph, via the highway, or about 2 1/4 mi. in a straight line SE from the station Measured By Condra and Upp (P. 33), 1931 Remarks: [Measured] Section No. 9
	Unit No. Description Thickness   Schroyer Limestone   11 Limestone, gray, non-cherty, massive, weathers dark gray, irregular and pitted 2.5-3 ft. 10 Shale, olive green, argillaceous, weathers yellowish 2 ft. 9 Limestone 1 ft. 8 Shale, black, fissile, argillaceous 1 + ft. 7 Limestone, cherty 8.5 +/- ft. 6 Limestone, gray, non-cherty, somewhat shaly, weathers yellowish, about 4-5 ft.   Havensville Shale   5 Shale, gray, quite fossiliferous 2.5 ft. 4 Limestone, gray, somewhat shaly 0.5 ft. 3 Shale, not well exposed, olive colored, except about 1' at base, which is nearly black 11 ft. 2 Shale, dark gray, very limy, fossiliferous, transition to member below 0.5-1 ft. 1 Fourmile limestone, light gray, cherty, with 6" to 1' of gray, fossiliferous shale about 1' 6" above base 7-7.5 ft.
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