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Infraredd: Gelli Felen 2
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Infraredd: Gelli Felen 1
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Infraredd: Gelli Felen conduit 2
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Infraredd: Gelli Felen conduit 1
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Infraredd: Gelli Felen 3
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Infraredd: Gelli Felen west entrance
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Infraredd: Gelli Felen closed 2
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Infraredd: Gelli Felen right bore exit
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Infraredd: Gelli Felen right bore exit
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Infraredd: Drainage 1
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Infraredd: Drainage 2
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Infraredd: Drainage 3
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Infraredd: Drainage 4
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Infraredd: Drainage 5
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Infraredd: Drainage 6