Soemba, N.E.I., 1:100,000 /
United States.Army Map Service.
Allied Land Forces.South-East Asia.Survey Directorate.
[Washington, D.C.] : Army Map Service,
1943-46.
Relief shown by contours and spot heights.
"Netherlands East Indies, southern zone grid"
Sheets of various eds. Later maps published by the Survey Directorate, H.Q. ALFSEA, with standard series designation: HIND 638.
Includes administrative index and index to adjoining sheets.
Graphic index in central HIND file.