MULLENS, Thomas E. <br/><br/>
Geology of the Clay Hills area San Juan County, Utah / 
by Thomas E. Mullens. 
 -- Washington :   United States Government Printing Office,   1960 
 - P. 259-336 + map. -- 
 (Geological Survey Bulletin  ;  1087-H).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geología<br/>Utah
<br/><br/><label>Universal Decimal Class. No.: </label>55(792)