Freeman, Louise B. <br/><br/>
Regional aspects of Silurain and Devonian stratigraphy in Kentucky / 
Louise B Freeman ; Kentucky. Agricultural and Industrial Development Board. 
 - Lexington, Ky. ,  1959. 
 - 61 p. 
 - Kentucky Geological Survey., Series 9,, Bulletin ;  no. 6 .
<br/><br/> Reprint. Originally published: Lexington, Ky., 1951. 
<br/><br/><label>Subjects--Index Terms: </label>გეოლოგია სტრატიგრაფია 
<br/><br/><label>Universal Decimal Class. No.: </label>551