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| Modern walls in central section ... AMS 197 Horizontal (normal) ... 23 Jun 1931 |
| Modern walls in central section ... AMS 197 Horizontal (normal) ... 23 Jun 1931 |
| Modern walls in central area ... AMS 197 Horizontal (normal) ... 23 Jun 1931 |
| Modern walls in central section ... AMS 198 Horizontal (normal) ... 23 Jun 1931 |
| Modern walls in central section ... AMS 198 Horizontal (normal) ... 23 Jun 1931 |
| Modern walls in central section ... AMS 198 Horizontal (normal) ... 23 Jun 1931 |
| Modern walls in middle ... AMS 231 Horizontal (normal) ... 26 Jun 1931 |
| Modern walls in middle ... AMS 231 Horizontal (normal) ... 26 Jun 1931 |
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