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, 1987 AU - Nancy Rybicki AU - R. T. Anderson AU - Virginia Carter PY - 1988 DO - 10.3133/ofr88307 UR - https://pubs.usgs.gov/publication/ofr88307 ID - ofr88307 ER -