TY - RPRT TI - Compositional variations in sands of the Bagnold Dunes, Gale Crater, Mars, from visible-shortwave infrared spectroscopy and comparison with ground truth from the Curiosity Rover AU - Mathieu G.A. Lapotre AU - B. L. Ehlmann AU - Sarah E. Minson AU - R. E. Arvidson AU - F. Ayoub AU - A. A. Fraeman AU - R. C. Ewing AU - N. T. Bridges PY - 2017 DO - 10.1002/2016je005133 UR - https://pubs.usgs.gov/publication/70192467 ID - 70192467 ER -