Geology of Unalaska Island and adjacent insular shelf, Aleutian Islands, Alaska /
Drewes, Harald,1927-
United States.Army.Corps of Engineers.
Washington, [D.C.] : U.S. G.P.O.,
1961.
"Prepared in cooperation with the Office, Chief of Engineers, U.S. Army."
Includes index.
Bibliography: p. 669-671.
Geology