title: Identifying the Leading Edge of Exceptionally Long Contaminant Plumes.
authors: Richard
authors: R
authors: Jackson
authors: Public Utilities Department, City of San Diego, San Diego, CA.
authors: Greg
authors: G
authors: Cross
mesh_terms: D004784:Environmental Monitoring / Q000379:methods*; D060587:Groundwater / Q000032:analysis*; D014872:Water Movements; D014874:Water Pollutants, Chemical / Q000032:analysis*
chemical_list: D014874:Water Pollutants, Chemical