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RB 88/00087 Coober Pedy Precious Stones Field - CRA Exploration Pty Ltd drilling, 1987.
3 diamond and 15 rotary-percussion holes were drilled in 1987 by CRA within EL 1330 on the southern part of the Field (PSF), this licence having been granted to the company for the exploration of strata below 50 metres depth in the subsurface. The...-
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Published: 01 Nov 1988
