British New Guinea: Sketch plan showing the route traversed by His Excellency Sir Wm. Macgregor... from the Mambre mouth to the village of Gosisi on the Vanapa
Papua New Guinea
Map of the Mambare River from Mount Victoria to the sea at Duvira (or Traitors) Bay, British New Guinea. Villages, bases, camps and stores are marked, and there are notes on terrain (‘Low Hills’), vegetation (‘Betal Palms’), river width, rapids etc.