WELCH, Stewart W. <br/><br/>
Geology and coal resources of the Tiptop quadrangle Kentucky / 
by Stewart W. Welch. 
 -- Washington :   United States Government Printing Office,   1958 
 - P. 585-612 + map. -- 
 (Geological Survey Bulletin  ;  1042-P).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Estratigrafía<br/>Geología<br/>Kentucky
<br/><br/><label>Universal Decimal Class. No.: </label>551.7(769)