TY - RPRT TI - Methylmercury in flood-control impoundments and natural waters of northwestern Minnesota, 1997-99 AU - M. E. Brigham AU - D. P. Krabbenhoft AU - M.L. Olson AU - J.F. DeWild PY - 2002 DO - 10.1023/a:1015573621474 UR - https://pubs.usgs.gov/publication/70024482 ID - 70024482 ER -