Angular Unconformity, Grand Canyon, ArizonaMay 26, 2018/in /by Marli Miller sedimentary, Grand Canyon National Park, desert, stair-step topography, erosion, strata 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 Miller2018-05-26 22:45:352021-11-22 10:36:01Angular Unconformity, Grand Canyon, Arizona
