TY - RPRT TI - Airborne imaging spectrometer data of the Ruby Mountains, Montana: Mineral discrimination using relative absorption band-depth images AU - J.K. Crowley AU - D.W. Brickey AU - L. C. Rowan PY - 1989 DO - 10.1016/0034-4257(89)90021-7 UR - https://pubs.usgs.gov/publication/70015373 ID - 70015373 ER -