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
Close up of Ngalia technique showing hammer and blade
A'lalba, 3m S of.
Ngoritjukurupa at work
N.B. Tindale photo 25 Aug. 1956
Haast Bluff Exp. Journ pp. 46-51'