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UK | |
| BMS Newsletter 79, March 2010 (http://britishmicromountsociety.homestead.com/Gannell-Smelter.html) |
| Reid, C., Scrivenor, J.B., Flett, J.S., Pollard, W., and MacAlister, D.A. (1906): The Geology of the Country near Newquay. HMSO Publications (London), 131 pp. |