Mona and Parys Mines Ltd
Formed in 1899 through the merger of the mountain's two main mining operations; ran the site through its final years of major production.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Parys Mountain | Anglesey | 1899–1904 |
Formed in 1899 through the merger of the mountain's two main mining operations; ran the site through its final years of major production.
| Mine | Region | Years |
|---|---|---|
| Parys Mountain | Anglesey | 1899–1904 |