@misc{indiciae8a12c3d24f7c,
  title = {Geologic map of the Mount Katmai Quadrangle and adjacent parts of the Naknek and Afognak quadrangles, Alaska},
  author = {J.R. Riehle and R. L. Detterman and M. E. Yount and J. W. Miller},
  year = {1993},
  doi = {10.3133/i2204},
  url = {https://pubs.usgs.gov/publication/i2204},
  note = {Source identifier: i2204}
}