Coal seam, Utah (vertical) sedimentary, resources, hydrocarbons https://geologypics.com/wp-content/uploads/2017/07/geology-pics.png 0 0 Marli Miller https://geologypics.com/wp-content/uploads/2017/07/geology-pics.png Marli Miller2017-04-30 19:23:042017-09-23 03:35:53Coal seam, Utah (vertical)
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