https://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.png00Marli Millerhttps://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.pngMarli Miller2017-04-30 19:50:512017-09-11 03:29:09Mt. Shasta stratovolcano and Shastina, California
