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| Day, Harry (1999) BMS Database, British Micromount Society. |
| Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London. Davidson, W.F. and Thomson, N. (1951) Some notes on the minerals of Westmorland and Cumberland. North West Naturalist, 23 (for 1948), 136-154. |
| Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London. Stanley, C.J. (1979) Mineralogical studies of copper, lead, zinc, and cobalt mineralization in the English Lake District. Unpublished Ph.D. thesis, University of Aston, Birmingham. Davidson, W.F. and Thomson, N. (1951) Some notes on the minerals of Westmorland and Cumberland. North West Naturalist, 23 (for 1948), 136-154. |
| Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London. Goodchild, J.G. (1885) Contributions towards a list of minerals occurring in Cumberland and Westmorland [part 3]. Transactions of the Cumberland Association for the Advancement of Literature and Science, 9 (for 1883-1884), 175-199. |
| Green, D.I., Rumsey, M.S., Bridges, T.F., Thomson, N. (2009) A Review of the mineralisation at Ingray Gill, Caldbeck Fells, Cumbria. Journal of the Russell Society, 12. 35-47 Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London. Kingsbury, A.W.G. (MS1) (1953 or later) Investigation of the minerals of the Lake District, especially the Caldbeck area, in collaboration with J. Hartley. List of minerals found by us at many localities examined 1947-. |
| Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London. Shaw, W. T. (1972) Mining in the Lake Counties (2nd ed.) Dalesman Books, Clapham, Lancaster. |
| Green, D.I., Bridges, T.F., Rumsey, M.S., Leppington, C.M., Tindle, A.G. (2008) A review of the mineralogy of the Roughton Gill Mines, Caldbeck Fells, Cumbria: Part 2 The Roughton Gill South Vein on Balliway Rigg. Journal of the Russell Society, 11. 3-28 Davidson, W.F. and Thomson, N. (1951) Some notes on the minerals of Cumberland and Westmorland. The North Western Naturalist, 23, 136-154. |
| Day, Harry (1999) BMS Database, British Micromount Society. Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London. Davidson, W.F. and Thomson, N. (1951) Some notes on the minerals of Westmorland and Cumberland. North West Naturalist, 23 (for 1948), 136-154. |
| Day, Harry (1999) BMS Database, British Micromount Society. |
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| Goodchild, J.G. (1875) "Wulfenite" at "Caldbeck Fell". Geological Magazine, vol. 2, n° 11, 565-566. |
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| Day, Harry (1999) BMS Database, British Micromount Society. |
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| Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London. Dunham, K.C. and Hollingworth, S.E. (1947) Excursion to Penrith and the north-west. Mineralogical Magazine, 28, 248-254. Day, F. H. (1928) Some notes on the minerals of the Caldbeck Fells. Transactions of the Carlisle Natural History Society, 4. 66-79 |
| Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London. Day, F. H. (1928) Some notes on the minerals of the Caldbeck Fells. Transactions of the Carlisle Natural History Society, 4. 66-79 |
| Chris Popham |
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Wyndham Mines, Bigrigg, Egremont, Copeland, Cumbria, England, UK