@misc{indiciae86a23bf8c3aa,
  title = {Geomorphology of the lower Copper River, Alaska},
  author = {Timothy P. Brabets},
  year = {1997},
  doi = {10.3133/pp1581},
  url = {https://pubs.usgs.gov/publication/pp1581},
  note = {Source identifier: pp1581}
}