TY - RPRT TI - Water quality data for selected streams tributary to the tidal Potomac River and Estuary, Maryland and Virginia, 1979-81 water years AU - R.E. Hickman PY - 1983 DO - 10.3133/ofr83873 UR - https://pubs.usgs.gov/publication/ofr83873 ID - ofr83873 ER -