Interbedded shale and limestone, IndianaJune 24, 2021/in /by Marli Miller differential weathering and erosion 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 Miller2021-06-24 04:58:582021-06-24 05:00:07Interbedded shale and limestone, Indiana
