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| The conglomerate rock which makes up the Olgas has been exposed to the elements for more than 40 million years accounting for the erosion making them appear to be separate-standing and for the pock-marks in each. |
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| The conglomerate rock which makes up the Olgas has been exposed to the elements for more than 40 million years accounting for the erosion making them appear to be separate-standing and for the pock-marks in each. |
