Mambare Delta west special [cartographic material] /

2nd ed. Topographic map of Mambare River Region, Papua New Guinea showing tracks and native villages and unidentified native villages. Relief shown by hachures.; "15/4/43."; "N.G.F./SVY/024."; "Officers using this map are requested to make alterations and additions on the map itself and forward to A.D. Survey H.Q. N.G.F."; "Netherlands East Indies Grid Southern New Guinea Zone."; Includes index to adjoining sheets on verso.; Also available in an electronic version via the internet at: http://nla.gov.au/nla.map-vn5117216. Aerial photographs on verso: View of Eia River looking south from mouth -- View of Gira River looking south from mouth