Chase County Sec. 17, T. 19 S., R. 8 E

Along Highway 50 West of Strong City Measured By H.G. O'Conner & J.M. Jewett, 7/31/1947
	Unit No. Description Thickness 21 Limestone - light gray; weathers ashy gray, and pitted; smaller pits in lower part; Derbyia, fragments of brachiopods & clams 1.95 ft. 20 Shale - yellow; locally weathers as shaly limestone 1 ft. 19 Shale - yellow and gray; limestone seams in lower part; transitional contacts above and below 9.1 ft. 18 Shale - black to dark gray in lower part; many fossils ranging up to near top: Chonetes, productids, bryozoans, Composita, Derbyia (collection) 2.1 ft. 17 Limestone - dark gray; slabby; fossils; lower part more resistant 1.2 ft. 16 Shale - dark gray; lenses of impure limestone; fossils: Chonetes 2.05 ft. 15 Same as above   14 Limestone - blue gray; nodular; clams 0.5 ft. 13 Shale - dark gray to black; limestone nodules; hard, brittle limestone in lower part 1.35 ft. 12 Shale - dark gray at top grading into light green 3.7 ft. 11 Shale - very limy; cream color; weathers into mass of small blocks 1.5 ft. 10 Shale - brownish gray; lenses of impure limestone 1.7 ft. 9 Limestone - gray; dense; conchoidal fracture 0.5 ft. 8 Limestone - yellow gray; massive crystalline; sparse fossil fragments 1.6 ft. 7 Shale - gray; limy 0.25 ft. 6 Limestone - slightly yellowish-brownish-gray; laminated, massive Osagia, coquina of fragments and micro fossils 1.5 ft. 5 Limestone - brownish gray; laminated 0.3 ft. 4 Limestone - or mudstone - gray; very irregular joints; clams 0.9 ft. 3 Shale - dark gray; contains calcite geodes in all but upper 2 feet 3.1 ft. 2 Shale - abundant fossils: Chonetes etc. 7.15 ft. 1 Cottonwood limestone.
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