Collins, Florence Rucker  1921-2015 <br/><br/>
Test wells, Topagoruk area, Alaska / 
by Florence Rucker Collins. 
 -- Washington :   United States Government Printing Office,   -- 
 - v. -- 
 (Geological Survey Professional Paper  ;  305-D).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Alaska<br/>Geología
<br/><br/><label>Universal Decimal Class. No.: </label>55(798)