NICHOLS, Thomas C. <br/><br/>
Engineering geology of the Paducah East quadrangle in Kentucky / 
by Thomas C. Nichols. 
 -- Washington :   United States Government Printing Office,   1968 
 - 13 p. + map. -- 
 (Geological Survey Bulletin  ;  1258-A).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geología<br/>Ingeniería<br/>Kentucky
<br/><br/><label>Universal Decimal Class. No.: </label>55:62(769)