| 1. | This was the first clear method for the purification of saltpeter.
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| 2. | The scarcity of saltpeter led the South to dig pits for manure,
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| 3. | He said the chemicals appeared to be saltpeter, salt and charcoal.
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| 4. | Shah Jahan also countered the Mlwa participated in saltpeter production.
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| 5. | Wilson County was the site of an important saltpeter mine.
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| 6. | Cumberland County was the site of an important saltpeter mine.
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| 7. | In the north of Chile, they dedicated themselves to mining saltpeter.
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| 8. | Sulfur, charcoal, and saltpeter was sifted and granulated.
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| 9. | Saltpeter tossed on a flame made fire flare up.
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| 10. | They were carrying chemicals that were identified as saltpeter, salt and charcoal.
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