Supplementary to 'Visit to Bentinck and Mornington Islands, Queensland by Norman B. Tindale. 1960' (AA 338/1/23)
'Mornington Island Oyster pick stone (mariwu) and stick (tjilka)
in use. Old William gathering oysters at Weredjara, W side M I 4 June 1960
journ. p. 309