TY - RPRT TI - An evaluation of selenium concentrations in water, sediment, invertebrates, and fish from the Republican River Basin: 1997-1999 AU - T.W. May AU - M.J. Walther AU - J. D. Petty AU - J.F. Fairchild AU - J. Lucero AU - M. Delvaux AU - J. Manring AU - M. Armbruster AU - D. Hartman PY - 2001 DO - 10.1023/a:1012041003657 UR - https://pubs.usgs.gov/publication/70023025 ID - 70023025 ER -