Context of ancient aqueous environments on Mars from in situ geologic mapping at Endeavour Crater - Crumpler, L.S.; Arvidson, R. E.; Bell, J.; Clark, B.; Cohen, B.; Farrand, W.; Gellert, Ralf; Golombek, M.; Grant, J.; Guinness, E.; Herkenhoff, Kenneth; Johnson, J.; et al. (Journal of Geophysical Research E: Planets, 2015)