TY - RPRT TI - Formation of mixed Al-Fe colloidal sorbent and dissolved-colloidal partitioning of Cu and Zn in the Cement Creek - Animas River Confluence, Silverton, Colorado AU - Laurence E. Schemel AU - Briant A. Kimball AU - Robert L. Runkel AU - Marisa H. Cox PY - 2007 DO - 10.1016/j.apgeochem.2007.02.010 UR - https://pubs.usgs.gov/publication/70029740 ID - 70029740 ER -