Clark, Sandra H. B. <br/><br/>
Geochemical and Geological Reconnaissance in the SEventymile River Area, Alaska / 
By Sandra H.B. Clark and Helen L. Foster. 
 -- Washington :   United States Government Printing Office,   1971 
 - 21 p. -- 
 (Geological Survey Bulletin  ; 1315).
<br/><br/> Fecha real de registro 19-05-1971 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Alaska<br/>Geoquímica
<br/><br/><label>Universal Decimal Class. No.: </label>550.4(798)