| 1. | Gilsonite is mined in underground shafts and resembles shiny black obsidian.
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| 2. | Gilsonite was discovered in 1888 at Bonanza, in central Uintah County.
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| 3. | The railroad lasted until 1939 when trucks took over hauling the Gilsonite.
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| 4. | The trademark, registered in 1921, belongs to the American Gilsonite Company.
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| 5. | Gilsonite was discovered in the early 1860s.
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| 6. | Gilsonite is a flammable hydrocarbon mixture, and Dragon experienced a number of mining accidents.
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| 7. | In 1908, a fire started in one section of Dragon's Gilsonite vein.
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| 8. | Use of the road surged in 1889 after the discovery of Gilsonite in the Uinta Basin.
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| 9. | Tar pits are composed of heavy oil fractions called gilsonite, which seeped from the Earth as oil.
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| 10. | Gilsonite-brand uintahite's earliest applications included paints for buggies and emulsions for beer-vat lining.
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