Coal seam and sandstone, KentuckyNovember 23, 2017/in Resources/by Marli Miller hydrocarbons, energy, fossil fuel, 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 Miller2017-11-23 00:06:462018-01-18 14:47:39Coal seam and sandstone, Kentucky
