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| Cutting for the Great Drain, after clearing, before laying pipe ... south 2172 Horizontal (normal) ... 23 November 1953 ... Η' |
| Cutting for the Great Drain, after clearing, before laying pipe ... north 2173 Horizontal (normal) ... 23 November 1953 ... Η' |
| Cutting for the Great Drain, after clearing, before laying pipe ... AMS south 2172 Horizontal (normal) ... 23 November 1953 ... Η' |
| Cutting for the Great Drain, after clearing, before laying pipe ... AMS north 2173 Horizontal (normal) ... 23 November 1953 ... Η' |
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