TY - RPRT TI - Occurrence of agricultural chemicals in ground water at the Princeton, Minnesota Management Systems Evaluation Area AU - M.K. Landon AU - G. N. Delin AU - Lifeng Guo AU - C.P. Regan AU - J.A. Lamb AU - R.H. Dowdy AU - J. L. Anderson PY - 1993 UR - https://pubs.usgs.gov/publication/70170929 ID - 70170929 ER -