Supplementary to ‘A Journal kept on the Anthropological Expedition to Central Australia – Haast Bluff, 1956 by Norman B. Tindale’ (AA 338/1/21/1)
'Stone knife knapping
Ngoritjukurupa Ngalia tribe at work while Wheeler Ngalia Tr. looks on
N.B. Tindale photo 25 Aug. 1956
Haast Bluff Exp. Journ pp. 46-51'