| Ref No | GSL/SG/EG/10/2 |
| Title | Working Party on Aggregates |
| Date | 1978-1982 |
| 1989-1992 |
| Level | File |
| Extent | 1 file |
| Format | Document |
| Description | Minutes of meetings of the Engineering Group’s Working Party on Aggregates, 1978-1982, 1989-1992. [Note: Working Party was reconvened in 1989 to revise special publication] |
| Access Conditions | Access is by appointment only. Please contact the Archivist for further information. |
| Language | English |
| ArchNote | Description by Caroline Lam |
| CreatorName | Engineering Group | 1963- |