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| Casting pit ... north 748 Horizontal (normal) ... 9 April 1937 |
| Casting pit ... north 746 Horizontal (normal) ... 9 April 1937 |
| Bowl ... Horizontal (normal) |
| Casting pit ... AMS north 748 Horizontal (normal) ... 9 April 1937 |
| Casting pit ... AMS north 746 ... 9 April 1937 |
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