TY - RPRT TI - Past leaded gasoline emissions as a nonpoint source tracer in riparian systems: A study of river inputs to San Francisco Bay AU - C.E. Dunlap AU - R. Bouse AU - A.R. Flegal PY - 2000 DO - 10.1021/es9905905 UR - https://pubs.usgs.gov/publication/70022831 ID - 70022831 ER -