MineArchiveCastle Cement Ltd
The cement company that took over the Tunnel works in 1986 and closed Pitstone in 1991.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Pitstone Chalk Quarry and Cement Works | Buckinghamshire | 1986–1991 |
Record created: 25 August 2026 · Last researched: 25 August 2026