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UK | |
| Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London. Young, B. (1987) Glossary of the minerals of the Lake District and adjoining areas. British Geological Survey, Newcastle upon Tyne. 104pp. Hartley, J. (1984) A list of minerals associated with the ore deposits of the Caldbeck Fells, Cumbria. Transactions of the Leeds Geological Association, 10 (3) 22-39 Shaw, W. T. (1972) Mining in the Lake Counties (2nd ed.) Dalesman Books, Clapham, Lancaster. |
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| Day, Harry (1999) BMS Database, British Micromount Society. |
| [Specimen in the Natural History Museum, London] |
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| Day, Harry (1999) BMS Database, British Micromount Society. |
| Fisher, J. (2009) The Hilton Mine: Scordale, Cumbria England. Rocks and Minerals, 84:2, 114-121. |
| Dunham K C, Geology of the Northern Pennine Orefield, Vol 1, Tyne to Stainmore. HMSO |
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| Dunham, Sir K. C. Geology of the North Pennine Orefield, Volume 1 Tyne to Stainmore (2nd Edition), pp 153-154 |
| Graeme, Richard W. (1981) Famous Mineral Localities: Bisbee, Arizona. The Mineralogical Record, 12 (5) 258-319 |
Nentsberry Haggs Mine, Alston Moor, Eden, Cumbria, England, UK