TY - RPRT TI - A regional-scale study of chromium and nickel in soils of northern California, USA AU - J.M. Morrison AU - M. B. Goldhaber AU - L. Lee AU - J.M. Holloway AU - R. B. Wanty AU - R.E. Wolf AU - J. F. Ranville PY - 2009 DO - 10.1016/j.apgeochem.2009.04.027 UR - https://pubs.usgs.gov/publication/70036484 ID - 70036484 ER -