WILLIAMS, John R. <br/><br/>
Geologic reconnaissance of the Yukon flats district Alaska / 
by John R. Williams. 
 -- Washington :   United States Government Printing Office,   1962 
 - P. 289-331 + map. -- 
 (Geological Survey Bulletin  ;  1111-H).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Alaska<br/>Geología
<br/><br/><label>Universal Decimal Class. No.: </label>55(798)