Baryte from
Ireland | |
| Cole, G.A.J. (1922) - Memoir of Localities of Minerals of Economic Importance and Metalliferous Mines in Ireland. p.21 |
| Grennan, E. 1969. "Report for Irish Metal Mining Co. Ltd." |
| Barry Flannery (Personal Observation) |
Barry Flannery Collection | |
| Dr. Richard Unitt & Barry Flannery |
| Cornwall |
Barry Flannery Collection | |
| Barry Flannery Collection |
Letter Mine, Letter, Mizen Peninsula, Cork County, Munster, Ireland