@misc{indiciae6bd33a1e2021,
  title = {Benthic communities of the tidal Potomac River and Estuary, Maryland and Virginia, November 1977 through August 1979},
  author = {P.V. Dresler},
  year = {1980},
  doi = {10.3133/wsp2234i},
  url = {https://pubs.usgs.gov/publication/wsp2234I},
  note = {Source identifier: wsp2234I}
}