@misc{indiciae2cd7d775e6f3,
  title = {Tile drainage as karst: Conduit flow and diffuse flow in a tile-drained watershed},
  author = {K. E. Schilling and M. Helmers},
  year = {2008},
  doi = {10.1016/j.jhydrol.2007.11.014},
  url = {https://pubs.usgs.gov/publication/70033651},
  note = {Source identifier: 70033651}
}