TY - RPRT TI - New tools for a legacy problem: How isotope tracers inform area of concern actions in the St. Louis River in Lake Superior AU - Sarah E. Janssen AU - Joel C. Hoffman AU - David P. Krabbenhoft PY - 2024 DO - 10.1016/j.jglr.2024.102494 UR - https://pubs.usgs.gov/publication/70267895 ID - 70267895 ER -