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Reef(s) in Australia

List of reef(s) in Australia (found 28 locations). Category description: A surface-navigation hazard composed of consolidated material

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Obree Reef (Queensland)
Ogilvie Reef (Queensland)
Old Reef (Queensland)
Olive Patch (Queensland)
Oliver Reef (Northern Territory)
One Fathom Patch (Queensland)
One Mile Reefs (Western Australia)
One Tree Island Reef (Queensland)
Onslow Reef (Queensland)
Onyx Reef (Queensland)
Oom Reef (Queensland)
Opal Reef (Queensland)
Orman Reefs (Queensland)
Orontes Reef (Northern Territory)
Osborn Reefs (Western Australia)
Osborne Reef (Queensland)
Osmanli Reef (South Australia)
Osprey Reef
Osterland Reef (Queensland)
Ottaway Patch (Queensland)
Otter Reef (Queensland)
Otway Bank (Western Australia)
Otway Reef (Western Australia)
Oublier Reef (Queensland)
Outer Reef (Queensland)
Outer Reef (Queensland)
Outer Reef (Western Australia)
Outtrim Patches (Western Australia)