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Map layer - click on the links to go and find out more!
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Last updated in Nature on the Map
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Date this update was released from source
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Medium-scale background map (Ordnance Survey 1:50,000 data)
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October 2007
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July 2007
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| Large-scale background map (Ordnance Survey 1:10,000 data)
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October 2007
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July 2007
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