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1Cyhoeddwyd 1980Pynciau “...Ice Antarctica Scott Base Maps....”
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2Cyhoeddwyd 1960Pynciau “...Ice Antarctica McMurdo Sound Region Maps....”
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3Cyhoeddwyd 1967Pynciau “...Ice Antarctica McMurdo Sound Region Maps....”
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4Cyhoeddwyd 1974Pynciau “...Ice Antarctica McMurdo Sound Region Maps....”
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5Cyhoeddwyd 1977Pynciau “...Ice Antarctica McMurdo Sound Region Maps....”
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6Cyhoeddwyd 1977Pynciau “...Ice Antarctica McMurdo Sound Region Maps....”
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7Cyhoeddwyd 1989Pynciau “...Ice Antarctica McMurdo Sound Region Maps....”
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8Cyhoeddwyd 1964Pynciau “...Ice Antarctica McMurdo Sound Region Maps....”
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9Cyhoeddwyd 1963Pynciau “...Ice Antarctica McMurdo Sound Region Maps....”
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10Cyhoeddwyd 1972Pynciau “...Ice Antarctica McMurdo Sound Region Maps....”
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