TY - RPRT TI - Determination of chlorinated insecticides in bottom sediment using an electron-capture gas chromatography screening method, Austin, Texas, 1991 and 1992 AU - Robert D. Brock AU - Lucinda K. Murtagh PY - 1994 DO - 10.3133/ofr94302 UR - https://pubs.usgs.gov/publication/ofr94302 ID - ofr94302 ER -