| 11. | Industrial flint mining begins, such as that at Cissbury and Grimes Graves, along with evidence of long distance trade.
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| 12. | "' Grime's Graves "'is a large Neolithic flint mining complex in Norfolk, England.
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| 13. | Grimes Graves, the only Neolithic flint mine open to visitors in Great Britain, lie a mile to the south.
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| 14. | Flint mining is attested since the Palaeolithic, but became more common since the Neolithic ( Michelsberg culture, Funnelbeaker culture ).
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| 15. | It is well known for its neolithic flint mines, which are on the list of UNESCO World Heritage Sites since 2000.
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| 16. | Later excavated by Alexander Gallus in the 1960s, he found that Aboriginal peoples had used the area as a flint mine.
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| 17. | Four engravings, of a bull and deer, have been found in a shaft of one of the Cissbury flint mines.
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| 18. | Since the discovery in 2003 of a field of flint mines in Vic�lvaro, work was stopped between the M-45.
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| 19. | Grimes Graves is a large and well-preserved group of Neolithic flint mines at a site near Brandon, consisting of 400 pits.
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| 20. | Exploring ritual elements to the act of flint mining at such sites as Grimes Graves, they discuss the potential shamanic symbolism of quartz.
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