| Archive Number: | 2012.40.0836 | |
| Title: | Layer IIb, before digging. | |
| Negative: | Section ΞΞ 151 | |
| Rating: | 2 | |
| Section: | ΞΞ | |
| References: | Notebook: ΞΞ-4 Notebook: ΞΞ-5 Notebook Page: ΞΞ-4-94 (pp. 777-778) Notebook Page: ΞΞ-5-14 (pp. 818-819) |
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