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Underwater quartz
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Rocky quartz 'grin'
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Towering cliff
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Lighthouse tower in view
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Natural Rock Arch - Caribou Island
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Middle Island Passage 'can' - ring the bell!
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Rock Harbor
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Visiting at Rock Harbor
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Landing at Tobin Harbor
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Time to head back to the mainland
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Taxiing for takeoff
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Up, up......
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...and away!
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Rock Harbor mine pit
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Isle Royale wake..don't worry,it's not a 'No Wake' zone!
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Dr. Trout & crew arrives
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