| 21. | The B�rglenhubel site includes traces of an earthen wall, turf houses and flint tools.
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| 22. | It was found by M . Gautier who recovered Heavy Neolithic flint tools from the surface.
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| 23. | Although flint tools were found nearby, hers are the only human remains in Vermelha Cave.
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| 24. | The Mesolithic is characterized in most areas by small composite flint tools microliths and microburins.
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| 25. | Different flint tools were found at the site in both periods, including sickles and arrowheads.
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| 26. | Among other flint tools probably used to create the frieze were found Magdalenian burins and scrapers.
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| 27. | Work carried out by paleolithic societies to create flint tools is more often referred to as knapping.
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| 28. | Excavations in 1949 found animal bone, flint tools and Ebbsfleet type Peterborough ware at the site.
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| 29. | At least two simple flint tools, including an arrowhead, have been found in the area.
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| 30. | When the settlement around the chair was excavated, flint tools were among the artefacts found there.
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