| 21. | Trona Joint Unified School District operates two schools : Trona Elementary School and Trona High School.
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| 22. | Trona Joint Unified School District operates two schools : Trona Elementary School and Trona High School.
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| 23. | Our article just says that trona is a source of soda ash ( sodium carbonate ).
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| 24. | He was the Chairman floor leader for House Bill 208, which expanded the trona industry.
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| 25. | "Trona has a different breed of kids, " said Cody Corrion, 17.
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| 26. | The trona in Sweetwater County was created by an ancient body of water known as Lake Gosiute.
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| 27. | In 1938, large deposits of the mineral Trona were discovered near the Green River in Wyoming.
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| 28. | Trona has three ridges, one in the northern tufa cluster and two in the middle group.
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| 29. | Searles Valley is known for its isolation and desolation . as well as the nearby Trona Pinnacles.
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| 30. | If mining is the nervous system of Trona, population 2, 000, football is its heart.
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