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