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| Dunham, Sir K. C. Geology of the North Pennine Orefield, Volume 1 Tyne to Stainmore (2nd Edition), pp 228. |
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| Dunham, Sir K. C. Geology of the North Pennine Orefield, Volume 1 Tyne to Stainmore (2nd Edition), pp 232, 236-238. |
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| Dunham, Sir K. C. Geology of the North Pennine Orefield, Volume 1 Tyne to Stainmore (2nd Edition), pp 90, 231-234. |
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| Dunham K C. 1948. Geology of the Northern Pennine Orefield. Vol 1, Tyne to Stainmore. HMSO |
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| Dunham Sir K C. 1990. 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 226-227. |
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| Dunham, Sir K. C. Geology of the North Pennine Orefield, Volume 1 Tyne to Stainmore (2nd Edition), pp 223-226. |
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| Young, B. , Hyslop, E.K., Fairbairn, R.A. (1996) Coronadite from the Northern Pennine Orefield, England. Journal of the Russell Society, 6 (2) 97-98 |
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| Day, Harry (1999) BMS Database, British Micromount Society. |
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| Paul Nicholson Collection |
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| Fluorite: The Collector's Choice. Extra Lapis English No. 9 |
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| Dunham, Sir K. C. Geology of the North Pennine Orefield, Volume 1 Tyne to Stainmore (2nd Edition), pp 173-178. |
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| Dunham, K. C., 1990, Geology of the Northern Pennine orefield, v. I, 2nd Ed. British Geological Survey, London, 299 p.
Rocks & Min.: 15:57. |
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| A. Ions |
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| A . Ions |
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| Dunham, Sir K. C. Geology of the North Pennine Orefield, Volume 1 Tyne to Stainmore (2nd Edition), pp 174 & 179. |
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| BMS Collection |
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| King, Van (n.d.) Personal communcation. |
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| Dunham, K. C., (1990), Geology of the North Pennine Orefield, Vol. 1, British Geological Survey |
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| Dunham, Sir K. C. Geology of the North Pennine Orefield, Volume 1 Tyne to Stainmore (2nd Edition), pp 119, 120. |
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| Dewey, H., and Smith, B. (1922) Special Rep. Mineral Resources G.B. 23. |
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| Dunham, Sir KC. 1990. Geology of the Northern Pennine Orefield. Vol 1. Tyne to Stainmore. HMSO |
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| Dunham, Sir K C. 1990. Geology of the Northern Pennine Orefield, Vol 1, Tyne to Stainmore. HMSO |
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| P Haas collection |
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| Hall, Townshend M. (1868) The Mineralogist's Directory: or, a guide to the Principal Mineral Localities in the United Kingdom of Great Britain and Ireland. Edward Stanford, London. |
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| DUNHAM, K.C. 1990. Geology of the Northern Pennine Orefield, Volume 1 Tyne to Stainmore (2nd edition) pp 230, 232. |
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| Hall, Townshend M. (1868) The Mineralogist's Directory: or, a guide to the Principal Mineral Localities in the United Kingdom of Great Britain and Ireland. Edward Stanford, London. |
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| Dunham, Sir K C> Geology of the Northern Pennine Orefield. Vol 1, Tyne to Stainmore. 1990 (HMSO) |
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| Dunham: The Geology of the Northern Pennine Orefield, Vol I Tyne to Stainmore pp 141&142. |
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| Dunham, Sir K. C. Geology of the North Pennine Orefield, Volume 1 Tyne to Stainmore (2nd Edition), pp 136-138, 143-144 |
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| Dunham K C, Geology of the Northern Pennine Orefield , Vol 1, Tyne to Stainmore. HMSO |
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| DUNHAM, K.C. 1990. Geology of the Northern Pennine Orefield, Volume 1 Tyne to Stainmore (2nd edition) pp 231, 232. |
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| DUNHAM, K.C. 1990. Geology of the Northern Pennine Orefield, Volume 1 Tyne to Stainmore (2nd edition) pp 230 |
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| Day, Harry (1999) BMS Database, British Micromount Society. |
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| Hall, Townshend M. (1868) The Mineralogist's Directory: or, a guide to the Principal Mineral Localities in the United Kingdom of Great Britain and Ireland. Edward Stanford, London. |
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| Fluorite: The Collector's Choice. Extra Lapis English No. 9 |
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| Dunham, Sir K. C. Geology of the North Pennine Orefield, Volume 1 Tyne to Stainmore (2nd Edition), pp 164-165 |
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| Day, Harry (1999) BMS Database, British Micromount Society. |
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| Dunham, Sir K. C. Geology of the North Pennine Orefield, Volume 1 Tyne to Stainmore (2nd Edition), pp 222-223 |
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| Dunham, Sir K. C. Geology of the North Pennine Orefield, Volume 1 Tyne to Stainmore (2nd Edition), pp 223. |
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| Dunham, Sir K. C. Geology of the North Pennine Orefield, Volume 1 Tyne to Stainmore (2nd Edition), pp 154 |
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| Dunham, Sir K. C. Geology of the North Pennine Orefield, Volume 1 Tyne to Stainmore (2nd Edition), pp 156-158 |
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| Dunham, Sir K. C. Geology of the North Pennine Orefield, Volume 1 Tyne to Stainmore (2nd Edition), pp 158-159 |
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| Dunhan Sir KC, 1990 Geology of the Northern Pennine Orefield Vol 1 Tyne to Stainmore. |
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| Dunham: The Geology of the Northern Pennine Orefield, Vol I Tyne to Stainmore pp 140. |
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Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK