Paleosols, Badlands NP, South DakotaMay 17, 2021/in /by Marli Miller ancient soils, disconformity 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 Miller2021-05-17 03:42:582021-05-17 03:44:14Paleosols, Badlands NP, South Dakota