MineArchiveNorth Amman Collieries Ltd
An Amman valley anthracite company returned as an owner of Cwmgorse Colliery at Gwaun-cae-Gurwen between the Cwmgorse Colliery Company and Amalgamated Anthracite Collieries.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Cwmgorse Colliery | Neath Port Talbot | ?–? |
Record created: 10 September 2026 · Last researched: 10 September 2026