TY - RPRT TI - Contribution of base flow to nonpoint source pollution loads in an agricultural watershed AU - K. E. Schilling AU - C.F. Wolter PY - 2005 DO - 10.1111/j.1745-6584.2001.tb00350.x UR - https://pubs.usgs.gov/publication/70023526 ID - 70023526 ER -