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Environmental protection. Environmental technology --- 570.3 --- natuurbeheer (lt) --- landschapsbescherming
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Carthach --- Saint --- Bishop of Lismore --- active 570-637 --- Legends
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Geology, Stratigraphic --- From 230 to 570 million years ago
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"Description and illustration of an unusual fossil having laminated inner deposits containing heavy minerals."
Paleontology --- Paleontology --- From 500 to 570 million years ago --- Nevada
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Ostracoda, Fossil. --- Paleontology --- From 230 to 570 million years ago
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Carthach --- Saint --- Bishop of Lismore --- active 570-637 --- Legends
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Ostracoda, Fossil. --- Paleontology --- From 230 to 570 million years ago