Geology of Unalaska island and adjacent insular, shelf, Aleutian islands, Alaska / 
by Harald Drewes...[et al.]. 
 -- Washington :   United States Government Printing Office,   1961 
 - P. 584-676 + map. -- 
 (Geological Survey Bulletin  ;  1028-S).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Alaska<br/>Geología<br/>Volcanes
<br/><br/><label>Universal Decimal Class. No.: </label>551.214(798)