@misc{indiciae7e16da257983,
  title = {Testing the limits of temporal stability: Willingness to pay values among Grand Canyon whitewater boaters across decades},
  author = {Chris J. Neher and John Duffield and Lucas S. Bair and David A. Patterson and Katherine Neher},
  year = {2017},
  doi = {10.1002/2017wr020729},
  url = {https://pubs.usgs.gov/publication/70195499},
  note = {Source identifier: 70195499}
}