TY - RPRT TI - Water-quality, bed-sediment, and invertebrate tissue trace-element concentrations for tributaries in the Clark Fork Basin, Montana, October 2018–September 2019 AU - Gregory D. Clark AU - Michelle I. Hornberger AU - Eric J. Hepler AU - Thomas E. Cleasby AU - Terry L. Heinert PY - 2021 DO - 10.3133/ofr20211027 UR - https://pubs.usgs.gov/publication/ofr20211027 ID - ofr20211027 ER -