This observation captures collapsed blocks of material on floor of Orson Welles Crater. Layers and the clay minerals found in this 125-kilometer crater are evidence that it once contained a lake.

ID: ESP_054899_1800
date: 13 April 2018
altitude: 271 km

https://uahirise.org/hipod/ESP_054899_1800
NASA/JPL-Caltech/University of Arizona
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