@misc{indiciae6d5846cd2443,
  title = {Engineering-geologic map of the southwestern Copper River basin and upper Matanuska River valley, Alaska},
  author = {John R. Williams},
  year = {1985},
  doi = {10.3133/ofr85143},
  url = {https://pubs.usgs.gov/publication/ofr85143},
  note = {Source identifier: ofr85143}
}