| Ref No | GSL/SG/HG/1 |
| Title | Minutes of the Hydrogeological Group |
| Date | 1974-1999 |
| Level | Sub Sub Series |
| Format | Document |
| Description | Minutes of the Hydrogeological Group. Incomplete |
| Access Conditions | Access is by appointment only. Please contact the Archivist for further information. |
| Language | English |
| ArchNote | Description by Caroline Lam |
| CreatorName | |