TY - RPRT TI - Copper speciation in variably toxic sediments at the Ely Copper Mine, Vermont, United States AU - Bryn E. Kimball AU - Andrea L. Foster AU - Robert R. Seal AU - Nadine M. Piatak AU - Samuel M. Webb AU - Jane M. Hammarstrom PY - 2016 DO - 10.1021/acs.est.5b04081 UR - https://pubs.usgs.gov/publication/70168662 ID - 70168662 ER -