00743cam a22002291 4500 gs 26000295 DLC 20260227111330.0 780301s1926 xx 000 0 eng c gs 26000295 (OCoLC)3680898 Library, U.S. Geological Survey OT ABAU DLC premarc QE115 .A3 Ser no. VI, Pamph. no. VIII Jillson, Willard Rouse, 1890- Fire clays of northeastern Kentucky, by Willard Rouse Jillson. Frankfort, Kentucky Geological survey, 1926. 9 p. front. (map) illus. 23 cm. Kentucky Geological survey. Ser. VI. Pamphlet 8 Fire-clay. Clay Kentucky. 26481 26481