MineArchiveTunnel Portland Cement Company Ltd
A British cement maker that built Pitstone as its first purpose-built works in 1937; it became Tunnel Cement Ltd in 1968 and its plants passed to Castle Cement in 1986.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Pitstone Chalk Quarry and Cement Works | Buckinghamshire | 1937–1968 |
Record created: 25 August 2026 · Last researched: 25 August 2026