@misc{indiciae2f35820b8e1c,
  title = {PAD-US—National inventory of protected areas},
  author = {Kevin J. Gergely and Alexa McKerrow},
  year = {2013},
  doi = {10.3133/fs20133086},
  url = {https://pubs.usgs.gov/publication/fs20133086},
  note = {Source identifier: fs20133086}
}