| Ref No | LDGSL/713/2/3 |
| Title | Ordnance Survey sheet no.47, annotated with geological lines, notes and colouring |
| Date | [?1830s-1840s] |
| [1862-1872] |
| Date Note | Possibly later reprints |
| Level | Sub Sub Series |
| Extent | 2 maps |
| Format | Map/section |
| Description | Maps of Essex, annotated with geological lines, notes and colouring by Searles Valentine WOOD jnr, used as field maps during research into glacial deposits in the south-east of England, [1862-1872]. Base maps are Ordnance Survey, one inch (Old Series) quarter sheets no.47 (NE Sudbury; SE Braintree). Dissected and mounted on linen.
One of the maps includes two letters from William Herbert Dalton of the Geological Survey regarding the loan of the maps and discussion over their contents, 1872. |
| Access Conditions | Access is by appointment only. Please contact the Archivist for further information. |
| Language | English |
| ArchNote | Description by John Thackray; revised by Caroline Lam |
| CreatorName | WOOD | Searles Valentine, the younger | 1830-1884 | geologist |
| DALTON | William Herbert | 1848-1929 | geological surveyor |
| Subject | Pleistocene |
| Term | Geological surveys |
| Geological mapping |
| Previous reference | LDGSL 713 |