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 Miller2022-12-12 22:02:352022-12-12 22:09:43Strandlines and receding lake levels, Lake Mead, NV