Witkind, Irving J. <br/><br/>
Geology of the Abajo mountains area San Juan county, Utah / 
by Irving J. Witkind. 
 -- Washington :   United States Government Printing Office,   1964 
 - 110 p. + map. -- 
 (Geological Survey Professional Paper  ; 453).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geología<br/>Utah
<br/><br/><label>Universal Decimal Class. No.: </label>55(792)