@misc{indiciae92378acb0a52,
  title = {Distribution and abundance of submersed aquatic vegetation in the tidal Potomac River and upper Potomac Estuary, Maryland, Virginia, and the District of Columbia, 1993-1998},
  author = {H. Ruhl and N. B. Rybicki and J. T. Reel and Virginia Carter},
  year = {1999},
  doi = {10.3133/ofr99233},
  url = {https://pubs.usgs.gov/publication/ofr99233},
  note = {Source identifier: ofr99233}
}