TY - RPRT TI - Trends in concentration, loads, and sources of trace metals and nutrients in the Spokane River Watershed, northern Idaho, water years 1990–2018 AU - Lauren M. Zinsser PY - 2020 DO - 10.3133/sir20205096 UR - https://pubs.usgs.gov/publication/sir20205096 ID - sir20205096 ER -