@misc{indiciaea49ee69cf068,
  title = {Physical, chemical, and biological data and characteristics of hydrilla beds, mixed vegetation beds, and unvegetated sites in the tidal Potomac River, Maryland and Virginia, 1987},
  author = {Virginia Carter and N. B. Rybicki and R.C. Jones and J.W. Barko and P.V. Dresler and R.E. Hickman and R. T. Anderson},
  year = {1988},
  doi = {10.3133/ofr88709},
  url = {https://pubs.usgs.gov/publication/ofr88709},
  note = {Source identifier: ofr88709}
}