@misc{indiciaeee686aca364c,
  title = {Visitor survey results for the Souris River Loop National Wildlife Refuges: Completion report},
  author = {Natalie R. Sexton and Lynne Koontz and Susan C. Stewart},
  year = {2005},
  doi = {10.3133/ofr20051399},
  url = {https://pubs.usgs.gov/publication/ofr20051399},
  note = {Source identifier: ofr20051399}
}