TY - RPRT TI - Humic substances and trace metals associated with Fe and Al oxides deposited in an acidic mountain stream AU - Diane M. McKnight AU - R.L. Wershaw AU - K.E. Bencala AU - G. W. Zellweger AU - G. L. Feder PY - 1992 DO - 10.1016/0048-9697(92)90113-7 UR - https://pubs.usgs.gov/publication/70016999 ID - 70016999 ER -