@misc{indiciae31bd12c49fee,
  title = {Attributes for NHDPlus Catchments (Version 1.1) in the Conterminous United States: Artificial Drainage (1992) and Irrigation Types (1997)},
  author = {Michael Wieczorek and Andrew E. LaMotte},
  year = {2010},
  doi = {10.3133/dds49001},
  url = {https://pubs.usgs.gov/publication/dds49001},
  note = {Source identifier: dds49001}
}