| 1. | The Guaduas Formation contains coal seams that are mined in the area.
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| 2. | He was protesting against plans to build a coal seam gas pipeline.
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| 3. | Corey was mining clay from both above and below the coal seam.
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| 4. | By 1916 its fortunes had changed, the coal seam had levelled out.
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| 5. | The Numa Block shaft was deep, giving access to a coal seam.
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| 6. | The Red Ash coal seam is found in the Mill Creek watershed.
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| 7. | No accurate count of coal seam fires has been completed in Indonesia.
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| 8. | The Greta coal seam has been mined using bord and pillar mining methods.
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| 9. | The reason taken for this new plan was to save the coal seam.
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| 10. | Methane, a naturally occurring colorless and odorless gas seeps out of coal seams.
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