TY - RPRT TI - Concentrations of triazine herbicides in the unsaturated zone in western Harvey County, Kansas, spring and fall 1992-93 AU - Kyle E. Juracek PY - 1994 DO - 10.3133/ofr94497 UR - https://pubs.usgs.gov/publication/ofr94497 ID - ofr94497 ER -