| Ref No | GSL/SG/EG/10/9 |
| Title | Proficiency Scheme for Aggregate Petrographers (PSAPs) |
| Date | May 1998-Jan 1999 |
| Level | File |
| Extent | 1 file |
| Format | Document |
| Description | Brief file of correspondence relating to the Proficiency Scheme for Aggregate Petrographers (PSAPs), May 1998 - January 1999. |
| Access Conditions | Access is by appointment only. Please contact the Archivist for further information. |
| Language | English |
| CreatorName | Engineering Group | 1963- |