Sketch map shewing the rivers and an outline of the coast... Gulf of Papua, British New Guinea event1893 location_onPapua New Guinea
Sketch map shewing the rivers and an outline of the coast... Gulf of Papua, British New Guinea event1892 location_onPapua New Guinea
Rough Sketch of 200 miles of the western portion of British New Guinea, including rivers event1890 location_onPapua New Guinea
Sketch Map of Mai Cussa or Baxter River, and Wasu Cussa or Chester River, with their tributaries event1888 location_onPapua New Guinea