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![](./img/clear.gif) 1.- Geology of the Country around Bangor
Leveridge, B.E; Reedman, A.J.; Howells, M.F.
London: British Geological Survey, 1985
II / 30 - 2 - 36
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![](./img/clear.gif) 2.- Snowdonia
Howells, M.F.; Leveridge, B.E; Reedman, A.J.
London: Unwin Paperbacks, 1981
Rocks and fossils
IV/8-8-38
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