| Bake the soil to make primitive tools (7) |
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| Early implements (7) |
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| Stone tools obtained from the soil |
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| Old stone tools |
The Telegraph Quick |
08 Mar 2019 |
| … early stone implements working the soil |
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| Tertiary Period stones |
LA Times Daily |
02 Jul 2017 |
| Tertiary Period stones |
The Washington Post |
02 Jul 2017 |
| Tertiary Period stones |
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| Pedal attachment picked up outside shed light on early tools |
The Telegraph Toughie |
09 Apr 2015 |
| Crude stone artifacts |
The Chronicle of Higher Education |
27 Mar 2015 |
| Crude stone artifacts |
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| Tertiary Period stones |
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| Prehistoric stone chips |
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| Stone artifacts |
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| Stone Age tools |
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| Early archaeological "artifacts" |
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| Prehistoric stone chips |
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| Chipped stones of archeological interest |
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| Ancient flints |
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| Old stone tools |
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| Ancient chipped stones |
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| Stone Age tools |
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| Flint implements |
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| Primitive implements |
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| Tools of Stone Age. |
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