Relief shown by contours and spot heights. Depths shown by contours. Title varies: Indonesia (Indonesia) 1:250,000 - Indonesia - East Indies (Indonesia) 1:250,000 - East Indies (Sumatra) 1:250,000. Models separately titled and numbered in upper margin, e.g.: Natal NA 47-15 - Martapura SB 48-2. Filing subtitle in lower right margin, e.g.: Natal, Indonesia NA 47-15 - Martapura, East Indies SB 48-2. "Constructed and molded in ... from ... 1:250,000, Series T503 ..." Printer's statement in lower right margin, e.g.: Printed by Army Map Service, Corps of Engineers, 2-56. Standard map series designation: Series T503P. Some sheets include insets, glossary, and "Conversion graph." Includes index to adjoining models.