| 21. | This borax deposit is now the world's largest borax mine.
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| 22. | This borax deposit is now the world's largest borax mine.
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| 23. | They named their firm the Thorkildsen-Mather Borax Company.
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| 24. | It uses borax soap in an antiquated, manually-operated burnisher.
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| 25. | Everybody knows that borax is a mine which is used many works.
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| 26. | Borax and coal are also taken out in these places.
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| 27. | The partnership established the first borax works in the valley.
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| 28. | The lake's reddish waters contrast with its white borax islands.
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| 29. | In the end, borax is kind of a symbol for Death Valley.
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| 30. | Rain was created by filming granulated Borax soap against black at high speed.
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