TY - RPRT TI - Spatial and temporal trends of trace metals in surface water, bed sediment, and biota of the upper Clark Fork Basin, Montana, 1985-95 AU - Michelle I. Hornberger AU - J. H. Lambing AU - S. N. Luoma AU - E.V. Axtmann PY - 1997 DO - 10.3133/ofr97669 UR - https://pubs.usgs.gov/publication/ofr97669 ID - ofr97669 ER -