| Ref No | LDGSL/103 | 
| Title | Geological colouring and notes on a map of the Forest of Dean and the surrounding area | 
| Date | 1830-1831 | 
| 17 Feb 1832 | 
| Level | File | 
| Extent | 2 parts | 
| Format | Map/section | 
| Description | Geological colouring and notes on a map of the Forest of Dean and the surrounding area, by Henry McLauchlan, John Robison Wright and R Wright of the Ordnance Survey, 17 February 1832.  Base map is Ordnance Survey one inch (Old Series) sheet no.43 (E & W), by Lt Col Thomas Frederick Colby, published 24 June 1831 & 1 March 1830. | 
| Access Conditions | Access is by appointment only. Please contact the Archivist for further information. | 
| Language | English | 
| Publication Note | Map accompanied paper which was read before the Society, 6 February 1833, and published as: McLauchlan, H. "Notes to accompany a Map of the Forest of Dean and the Country adjacent, coloured geologically", 'Proceedings of the Geological Society of London', vol 1 (1833), pp420-421 (map not published); MacLauchlin (sic), H. "Notes to accompany a Geological Map of the Forest of Dean Coal-field", 'Transactions of the Geological Society of London', 2nd series, vol 5 (1837) pp195-206. Lower part of map published. | 
| ArchNote | Description by John Thackray | 
| CreatorName | McLAUCHLAN | Henry | 1791-1881 | geologist | 
| WRIGHT | John Robison | fl 1832-1852 | surveyor | 
| Term | Coal | 
| Geological surveys | 
| Previous reference | LDGSL 103 |