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Ely Hill, Ant Hill, Mabel Creek and Mount Willoughby (Coober Pedy North Opal Project). Second partial surrender report for the period 10/1/97 to 2/11/2001.
Exploration for large-scale opal deposits over an area north and north-west from Coober Pedy included literature research, air photo interpretation, digital terrain modelling, and field reconnaissance. No unrecorded previous opal workings were...-
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