Water-Quality, Bed-Sediment, and Invertebrate Tissue Trace-Element Concentrations for Tributaries in the Clark Fork Basin, Montana, October 2018 - September 2019

Water, bed sediment, and biota were sampled in selected streams from Butte to near Missoula, Montana, as part of a monitoring program in the upper Clark Fork Basin of western Montana. The sampling program was led by the U.S. Geological Survey (USGS), in cooperation with the U.S. Environmental Protection Agency.

作为蒙大拿州西部克拉克福克河上游流域监测项目的组成部分，研究人员在蒙大拿州境内从比尤特至米苏拉附近的选定溪流中采集了水体、底床沉积物与生物样本。本次采样监测计划由美国地质调查局（U.S. Geological Survey, USGS）牵头，联合美国环境保护署共同实施。