U.S. Dept. of the Interior, U.S. Geological Survey ; Information Services [distributor],
Hornberger, Michelle I.
United States. Environmental Protection Agency.
Geological Survey (U.S.)
U. S. Geological Survey open-file report ; 97-669
Spatial and temporal trends of trace metals in surface water, bed sediment, and biota of the upper Clark Fork Basin, Montana, 1985-95
Spatial and temporal trends of trace metals in surface water, bed sediment, and biota of the upper Clark Fork Basin, Montana, 1985-95
Spatial and temporal trends of trace metals in surface water, bed sediment, and biota of the upper Clark Fork Basin, Montana, 1985-95