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| Looking east: Layer 4 cleared ... AMS Horizontal (normal) ... Looking east: Layer 4 cleared. |
| Looking northwest. Layer 4 cleaned ... AMS Horizontal (normal) ... Looking northwest. Layer 4 cleaned. |
| Layer 4 removed, looking northeast ... AMS Horizontal (normal) ... Layer 4 removed, looking northeast. |
| From east, Layer 4 gone ... AMS 792 Horizontal (normal) ... 19 Oct 1934 ... From east, Layer 4 gone. |
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