@misc{indiciae8ce43df75815,
  title = {Geology of the Sumdum copper-zinc prospect, southeastern Alaska},
  author = {E.M. MacKevett and M.C. Blake},
  year = {1964},
  doi = {10.3133/b1108e},
  url = {https://pubs.usgs.gov/publication/b1108E},
  note = {Source identifier: b1108E}
}