^Excursion to Choiseul - Chapter Six — Page 53, Nagosele Passage, dividing Rob Roy Island from Choiseul, is in places less than 70 yards wide. Rob Roy rises steep from its waters, inaccessibly steep generally, but on the Choiseul side of the channel merges into shallow mangroved waters, providing hundreds of natural hideouts for small craft., Stepping Stones to the Solomons: the unofficial history of the 29th Battalion with the Second New Zealand Expeditionary Force in the Pacific., NZETC