TY - RPRT TI - Data on the distribution and abundance of submersed aquatic vegetation in the tidal Potomac River and transition zone of the Potomac Estuary, Maryland, Virginia, and the District of Columbia, 1988 AU - N. B. Rybicki AU - M.R. Schening PY - 1988 DO - 10.3133/ofr90123 UR - https://pubs.usgs.gov/publication/ofr90123 ID - ofr90123 ER -