@misc{indiciaeff6236e1e11f,
  title = {Effects of land-use history on sedimentation in the Potomac Estuary, Maryland},
  author = {Ruth S. DeFries},
  year = {1986},
  doi = {10.3133/wsp2234k},
  url = {https://pubs.usgs.gov/publication/wsp2234K},
  note = {Source identifier: wsp2234K}
}