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UK | |
| (2006) Journal of the Russell Society Vol. 9. The Russell Society (2006) Journal of the Russell Society Vol. 9. The Russell Society |
| (2006) Journal of the Russell Society Vol. 9. The Russell Society |
| Mike Leppington collection (visual ID) |
| Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London. |
| Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London. |
| Bridges, T.F., Green, D.I., Rumsey, M.S., Leppington, C.M. (2008) A review of the mineralisation at Red Gill Mine, Caldbeck Fells, Cumbria, England. Journal of the Russell Society, 11. 29-47 Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London. |
| Bridges, Trevor F., Green, David, Rumsey, Michael S., Leppington, C. Michael (2011) A review of the mineralisation of the Roughton Gill mines, Caldbeck Fells, Cumbria: Part 3 Roughton Gill Mine. Journal of the Russell Society, 14. 3-23 |
| Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London. |
| Stanley, Christopher J., Cooper, Michael P. (1991) Famous Mineral Localities: Pyromorphite-Group Minerals from the Caldbeck Fells, Cumbria, England. The Mineralogical Record, 22 (2) 105-121 |
Potts Gill, Caldbeck, Allerdale, Cumbria, England, UK