Coal seam, Utah (vertical)April 30, 2017/in /by Marli Miller sedimentary, resources, hydrocarbons https://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.png 0 0 Marli Miller https://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.png Marli Miller2017-04-30 19:23:042017-09-23 03:35:53Coal seam, Utah (vertical)
