TY - RPRT TI - Water-quality, bed-sediment, and invertebrate tissue trace-element concentrations for tributaries in the Clark Fork Basin, Montana, October 2017–September 2018 AU - Gregory D. Clark AU - Michelle I. Hornberger AU - Thomas E. Cleasby AU - Terry L. Heinert AU - Matthew A. Turner PY - 2020 DO - 10.3133/ofr20201067 UR - https://pubs.usgs.gov/publication/ofr20201067 ID - ofr20201067 ER -