TY - RPRT TI - Presence, distribution, and potential sources of nitrate and selected pesticides in the surficial aquifer along the Straight River in north-central Minnesota, 1992-93 AU - J. F. Ruhl PY - 1995 DO - 10.3133/wri954151 UR - https://pubs.usgs.gov/publication/wri954151 ID - wri954151 ER -