| 1. | There is a Chalcolithic flint mine located in the commune.
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| 2. | The area around Spiennes is known for its flint mines.
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| 3. | One notable archaeological site in this region is the Neolithic flint mines of Spiennes.
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| 4. | They were used for chalk mining and flint mining from the 13 19th centuries.
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| 5. | Long before the hill was fortified, flint mines were being excavated in the area.
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| 6. | In Suffolk, a large Neolithic flint mine is known by the name of Grimes Graves.
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| 7. | On this stretch the road passes close to Grimes Graves, a large Neolithic flint mining complex.
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| 8. | The site of the fort contains a Neolithic mine, one of the first flint mines in Britain.
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| 9. | Baumgartel had spent much of her time in Berlin cataloguing the extensive collections of flint mines across Europe.
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| 10. | Above the village on the South Downs are groups of neolithic flint mines, represented by slight hollows and mounds.
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