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| Bottom of Layer I ... AMS Horizontal (normal) ... Bottom of Layer I. |
| Inside, Layer I before digging ... AMS Horizontal (normal) ... Inside, Layer I before digging. |
| Inside, Layer I before digging ... AMS Horizontal (normal) ... Inside, Layer I before digging. |
| From southwest: Layer I gone ... AMS Horizontal (normal) ... From southwest: Layer I gone. |
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