TY - RPRT TI - Nitrate in groundwater and water sources used by riparian trees in an agricultural watershed: A chemical and isotopic investigation in southern Minnesota AU - Stephen C. Komor AU - Joseph A. Magner PY - 1996 DO - 10.1029/95wr03815 UR - https://pubs.usgs.gov/publication/70170925 ID - 70170925 ER -