December 1942 - January 1943. Prepared and reproduced by Base Map Plant, USASOS, SWPA, from Dutch map printed by Topographische Dienst, (Topographic service) Batavia 1939.
October 1943. Drawn by NEFIS October 1943 for Terrain Study no. 68 (Wissel Lakes) Based on Dutch Sketch map published by Topographic Service 1939 Available sketches and Patrol Reports and Information from persons with local knowledge.
October 1943. Drawn by NEFIS October 1943 for Terrain Study no. 68 (Wissel Lakes) Based on Dutch Sketch map published by Topographic Service 1939 Available sketches and Patrol Reports and Information from persons with local knowledge.