| Title: | Crossroads; Behind West Drain Wall; Road Metal; Layer 12; Patch; Marble Chips | |
| Keyword: | From Annotation | |
| Date: | 16 May 1949 | |
| Section: | ΠΠ | |
| References: | Notebook: ΠΠ-6 Notebook: ΠΠ-11 Notebook Page: ΠΠ-6-36 (pp. 1062-1063) Notebook Page: ΠΠ-11-41 (pp. 2072-2073) |