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Vacuum Blowers For Opal Mining

The grawin, located about 40 km south-west of lightning ridge, refers to the group of opal fields made of grawin, glengarry, sheepyard, and mulga rush.Opal was first discovered in the region in 1905 by charles phipp while working on morendah station a few kms to the east of grawin, but little mining was carried out there at the time.

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