@misc{indiciae9be776733d22,
  title = {The mineral resources of the Mount Wrangell district, Alaska},
  author = {W. C. Mendenhall and F. C. Schrader},
  year = {1903},
  doi = {10.3133/pp15},
  url = {https://pubs.usgs.gov/publication/pp15},
  note = {Source identifier: pp15}
}