TY - RPRT TI - The occurrence of trace elements in bed sediment collected from areas of varying land use and potential effects on stream macroinvertebrates in the conterminous western United States, Alaska, and Hawaii, 1992-2000 AU - Angela P. Paul AU - Nicholas V. Paretti AU - Dorene E. MacCoy AU - Anne M.D. Brasher PY - 2012 DO - 10.3133/sir20125272 UR - https://pubs.usgs.gov/publication/sir20125272 ID - sir20125272 ER -