Cassiterite in gold placers at Humboldt Creek Serpentine-Kougarok area, Seward Peninsula, Alaska / 
by C.L. Sainsbury [and others] 
 - Washington :  [U.S. Govt. Print. Off.],  1968. 
 - iii, 7 p. :  illus., maps ;  27 cm. 
 - Circular,  565 .
 - Geological Survey circular ;  565. .
<br/><br/>With : Occurrences of gold and other metals in the Upper Chulitna District, Alaska / by C.C. Hawley and Allen L. Clark.  Washington : [U.S. Govt. Print. Off.], 1968.  Bound together subsequent to publication. 
<br/><br/>Bibliography: p. 7. 
<br/><br/><label>LCCN: </label>gs 68000255  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cassiterite.<br/>Gold ores--Alaska.
<br/><br/><label>LC Class. No.: </label>QE75  / .C5 no. 565