Oil refinery, California.April 30, 2017/in /by Marli Miller hydrocarbon resources, gas, gas, nonrenewable 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 20:23:272017-09-24 17:06:52Oil refinery, California.