HiRISE 3D: Possible Scour Pits adjacent to Yardangs in Southwest Olympus Mons

These features are much smaller than usual scour pits. It has been hypothesized before that scour pits could be related to yardangs, but overall, scour pits and their relationship to the Medusae Fossae Formation are not well understood.

https://www.uahirise.org/anaglyph/ESP_082597_1890_ESP_082821_1890_RED
NASA/JPL-Caltech/UArizona