@misc{indiciae98709fbf21ee,
  title = {Horizontal density-gradient effects on simulation of flow and transport in the Potomac Estuary},
  author = {Raymond W. Schaffranek and Robert A. Baltzer},
  year = {1990},
  url = {https://pubs.usgs.gov/publication/70015936},
  note = {Source identifier: 70015936}
}