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| 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 Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London. Eastwood, T., Hollingworth, S. E., Rose, W. C. C., Trotter, F. M. (1968) Geology of the Country around Cockermouth and Caldbeck, explanation of One-inch Geological Sheet 23, New Series. Memoirs of the Geological Survey of Great Britain. Institute of Geological Sciences |
| Kingsbury, Arthur W. G., Hartley, J. (1960) Carminite and beudantite from the northern part of the Lake District and from Cornwall. Mineralogical Magazine and Journal of the Mineralogical Society, 32 (249) 423-432 doi:10.1180/minmag.1960.032.249.01 Kingsbury, Arthur W. G., Hartley, J. (1956) New occurrences of vanadium minerals (mottramite, descloizite, and vanadinite) in the Caldbeck area of Cumberland. Mineralogical Magazine and Journal of the Mineralogical Society, 31 (235) 289-295 doi:10.1180/minmag.1956.031.235.02 Kingsbury, A.W.G. and Hartley, J. (1955) On the occurrence of the rare copper molybdate, lindgrenite, at Brandy Gill, Carrock Fell, Cumberland. Mineralogical Magazine, 30(230), 723-726. Russell, A. (1936) Notes on the occurrence of wulfenite at Brandy Gill, Cumberland, and of leadhillite at Drumruck Mine, Kirkcudbrightshire. Mineralogical Magazine, vol. 24, n° 153, 321-323. |