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Interesting, this is an area inland from the coast tho.

Also would this not have made navigation on said ships rather difficult?

Mineral deposits(what I assumed to be the cause) or some kind of magnetic field worm hole?

In behind the 5mile lagoon south of Okorito is one.

Just on the compass is always right..it is untill it isnt, there are parts of this island where a compass is useless.

Change your gps to north up. Same as your map.

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Whats the other way around gibo?

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