Harding, M.2022-09-062022-09-062017Journal of Australasian Mining History, 2017; 15:47-64https://hdl.handle.net/2440/136303en© Copyright Australasian Mining History Association. The Journal of Australasian Mining History is covered by copyright. Apart from fair dealing for the purposes of research or private study under the Copyright Act, no part may be reproduced without written permission.The Nature and Significance of Aboriginal Work in the Northern South Australian Opal Industry c.1940-1980Journal article371479Harding, M. [0000-0003-1071-6267]