1st September 1943. Based on maps "Der Sepik und sein stromgebiet," by Dr. Walter Biehrmann and "Der Sepik" (kaiserin August strom), by Prof. Dr. Leonhard Schultze Jena. Additional information furnished by local informants.…
1st September 1943. Based on maps "Der Sepik und sein stromgebiet," by Dr. Walter Biehrmann and "Der Sepik" (kaiserin August strom), by Prof. Dr. Leonhard Schultze Jena. Additional information furnished by local informants.…
16th December 1943. Based on standard traverse by A R Miller LS, MIS, 1938-30. Topographical information from 0 km to 32 km from field notes and from 32 km to Maprik from air photography by Australasian petroleum Co.