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 03:22:142021-12-15 03:32:17Wind ripples and dunes, D Valley, CA (vertical)
