@misc{indiciae77c19080e345,
  title = {Geomorphic evaluation of erosional stability at reclaimed surface mines in northwestern Colorado},
  author = {J. G. Elliott},
  year = {1990},
  doi = {10.3133/wri904132},
  url = {https://pubs.usgs.gov/publication/wri904132},
  note = {Source identifier: wri904132}
}