@misc{indiciae82608561a437,
  title = {Preface; Administrative report; The Alaskan mining industry in 1918},
  author = {G. C. Martin},
  year = {1920},
  doi = {10.3133/b712a},
  url = {https://pubs.usgs.gov/publication/b712A},
  note = {Source identifier: b712A}
}