The clays of Kentucky Jillson, Willard Rouse 1890- creator text xx Frankfort, Ky Kentucky Geological survey 1926 monographic eng
print
15 p. front., illus. 23 cm. by Willard Rouse Jillson. Reprinted with revisions and additions from the Ceramist, Trenton, N.J., Feb., 1926. Clay Kentucky QE115 .A3 ser. no. VI. Pamph. no. LX Kentucky. Geological survey. Ser. VI. Phmphlet 9 gs 26000296 Library, U.S. Geological Survey 780301 20260227111330.0 gs 26000296