41–9 They journeyed on the "Banyandah", a cruiser of 38 feet from Madang up the coast to the mouth of the Sepik River, travelling along that river to Marienberg and Moim, then along the Karosameri River to the Karrawaddi River and on to the Arrabundio River and Yemas, after which it was necessary to transport their stores and equipment by pinnace, canoe and ultimately on foot to their Mountain Base on the upper Arrabundio River.