Contour interval 25 meters, with auxiliary contour interval 12.5 meters; changing at 100 meters to 100 meter contour interval." Some areas show relief by hachures with spot heights in meters.
Five classes of roads or paths, two classes of railroads, and three types of internal boundaries are shown.
Coverage complete in 53 sheets, covering Residency of West Borneo only. Set includes various issues of some sheets.
Military grid.
"The longitude ... is based on the meridian of Batavia which is 106°482́7.79" east of Greenwich."
Includes "Glossary."
Marginal maps: Index to boundaries.--Index to adjoining sheets.