TY - RPRT TI - The copper-nickel concentration log: A tool for stratigraphic interpretation within the ultramafic and basal zones of the stillwater complex, Montana AU - L. J. Drew AU - W.J. Bawiec AU - N.J. Page AU - J.H. Schuenemeyer PY - 1985 DO - 10.1016/0375-6742(85)90022-6 UR - https://pubs.usgs.gov/publication/70012733 ID - 70012733 ER -