National Geologic Map Database
General Information
- Title: Spatiotemporal variations in copper, arsenic, cadmium, and zinc concentrations in surface water, fine-grained bed sediment, and aquatic macroinvertebrates in the upper Clark Fork Basin, western Montana—a 20-year synthesis, 1996–2016
- Author(s): Caldwell Eldridge, S.L., and Hornberger, M.I.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Scientific Investigations Report SIR-2023-5070
- Publication Date: 2023
- Map Scale: 1:1,311,000
- Cross Section: None
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