Title | Date | Type | ||
---|---|---|---|---|
1 |
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Mouth of north diversion tunnel | 1962-08 | Image |
2 |
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Mouth of north diversion tunnel after tunnel was closed | 1963-08 | Image |
3 |
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Mouth of north diversion tunnel after tunnel was closed | 1964-08 | Image |
4 |
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North diversion tunnel | 1960-08 | Image |