Uluru & Kings Canyon
May 20th 2011 Hi From Kings Canyon
We did our tour of Coober Pedy and visited a working Opal mine. Interesting to note that the first operation involves sinking a 1m diameter hole to approx. 30m deep. The shafts are then excavated horizontally from anywhere in that 30m profile. It seems to be pot-luck if you strike a vane of opal! The other point of interest is that none of the excavations are required to b
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