@misc{indiciae1de8fffbb863,
  title = {Semiquantitative spectrographic analyses of nine specimens from the Mount Edgecumbe volcanic field, Kruzof Island, southeastern Alaska},
  author = {Chris Herpopoulos and Robert E. Mays},
  year = {1969},
  doi = {10.3133/ofr69126},
  url = {https://pubs.usgs.gov/publication/ofr69126},
  note = {Source identifier: ofr69126}
}