@misc{indiciaedb809e0c49b4,
  title = {An introduction to the environmental literature of the Mississippi Deltaic Plain Region},
  author = {Johannes L. van Beek},
  year = {1981},
  url = {https://pubs.usgs.gov/publication/fwsobs79\_30},
  note = {Source identifier: fwsobs79\_30}
}