Supplemental material: Recent bright gully deposits on Mars: Wet or dry flow? PelletierJ.D. al.et 2020 GSA Data Repository Item 2008055, Geology, Vol. 3, p. 211. Data Repository document (PDF), File size: 20 p., about 331 KB. Video file 1 (.avi format): File size: 3,870 KB. Video file 2 (.avi format): File size: 6,238 KB.