5:43
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Rock vibration - chops before steady vibration, lots of small rocks shuffling and crackling.
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2:02
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Rock vibraiton - bursts of small rock on other rocks, rock shuffling and crackling.
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2:13
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Large chunky rumble from large rock on smaller stones (2).
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2:04
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Large chunky rumble from large rock on smaller stones (1).
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