The complex dune forms in this VIS image are located on the floor of Russell Crater. The large ridge dune is unique to Russell Crater. Russell Crater is located in Noachis Terra and is 135km (83miles) in diameter. Orbit Number: 91018 Latitude: -54.3869 Longitude: 13.2455 Instrument: VIS Captured: 2022-06-21 17:11 https://photojournal.jpl.nasa.gov/catalog/PIA25531