Talaud Islands, provisional map /

Topographic map series of Talaud Islands, Indonesia. Relief shown by contours, spot heights and form lines.; Each sheet has individual title and number.; Upper left corner: War Department, Corps of Engineers, U.S. Army.; "Preliminary sheet. Subject to correction".; "U.S. 1000 yard grid (British Modified System). N.E.I. equatorial zone".; "For use by War and Navy Department Agencies only. Not for sale or distribution".; Glossary in Dutch and English.; Includes index to adjoining sheets, locality diagram, reliability diagram, legend and glossary