TY - RPRT TI - Submersed aquatic vegetation in the tidal Potomac River and Estuary of Maryland, Virginia and the District of Columbia; Hydrologic data report, May, 1978 to November, 1981 AU - James E. Paschal AU - Darin R. Miller AU - Nancy C. Bartow AU - Virginia Carter PY - 1982 DO - 10.3133/ofr82694 UR - https://pubs.usgs.gov/publication/ofr82694 ID - ofr82694 ER -