| Ref No | GSL/SG/HOGG/6 |
| Title | Other HOGG material |
| Date | 1999-2015 |
| Level | Sub Sub Series |
| Format | Document |
| Access Conditions | Access is by appointment only. Please contact the Archivist for further information. |
| Language | English |
| ArchNote | Description by Caroline Lam |
| CreatorName | History of Geology Group | 1993- |