@misc{indiciaef83a93673e22,
  title = {Altered flows and created landscapes in the Platte River Headwaters, 1840-1990},
  author = {Fritz L. Knopf and Michael L. Scott},
  year = {1990},
  url = {https://pubs.usgs.gov/publication/70123824},
  note = {Source identifier: 70123824}
}