@misc{indiciae116039fd20be,
  title = {Mineralogical maps showing the distribution of selected minerals identified in nonmagnetic heavy-mineral concentrates from the Mount Katmai and parts of the Afognak and Naknek quadrangles, Alaska},
  author = {S. E. Church and G. J. Bennett},
  year = {1990},
  doi = {10.3133/mf2021d},
  url = {https://pubs.usgs.gov/publication/mf2021D},
  note = {Source identifier: mf2021D}
}