Jillson, Willard Rouse,  1890- <br/><br/>
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 .
<br/><br/><label>LCCN: </label>gs 26000295  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fire-clay.<br/>Clay--Kentucky.
<br/><br/><label>LC Class. No.: </label>QE115  / .A3 Ser no. VI, Pamph. no. VIII