| Title: | Gravel Fill; Bottom of Great Drain | |
| Keyword: | From Annotation | |
| Date: | 1 Jan-31 Dec 1947 | |
| Section: | ΟΟ | |
| References: | Notebook: ΟΟ-6 Notebook: ΟΟ-7 Notebook Page: ΟΟ-6-64 (pp. 1118-1119) Notebook Page: ΟΟ-6-65 (pp. 1120-1121) Notebook Page: ΟΟ-7-64 (pp. 1316-1317) |