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Yorkshire Rocks and Landscape; a Field Guide, Yorkshire Geological Society. Scruton, Colin (ed).
Yorkshire: a Jouney through Time, Keyworth, British Geological Survey, 1996. Bell, Richard.
Zanchi, A. & Gaetani, M. 2011, Geological Map of the Central-Western Karakoram, Pakistan, in east and west parts, each 1:100,000 scale,
