TY - RPRT TI - Identification of contamination in a lake sediment core using Hg and Pb isotopic compositions, Lake Ballinger, Washington, USA AU - John E. Gray AU - Michael J. Pribil AU - Peter C. Van Metre AU - David M. Borrok AU - Anita Thapalia PY - 2013 DO - 10.1016/j.apgeochem.2012.12.001 UR - https://pubs.usgs.gov/publication/70044793 ID - 70044793 ER -