https://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.png00Geology Picshttps://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.pngGeology Pics2021-12-15 03:21:132021-12-15 03:32:42Wind ripples on dune, Death Valley, CA