long travel time / nontidal waterquality monitoring network / chemical fertilizer / /
NaturalFeature
Choptank River / bay TMDL / Mattaponi river / Potomac river / Appomattox river / Rappahannock river / Chesapeake Bay / Susquehanna river / Susquehanna / Patuxent River / /
Organization
U.S. Environmental Protection Agency / /
Person
Scott W. Phillips / James Rivers / Douglas L. Moyer / Robert M. Hirsch / Pamunkey Rivers / /