@misc{indiciaeeb31164b1cf8,
  title = {Administrative report. Preface. The mining industry in 1909. Alaska coal and its utilization},
  author = {A. H. Brooks},
  year = {1910},
  doi = {10.3133/b442a},
  url = {https://pubs.usgs.gov/publication/b442A},
  note = {Source identifier: b442A}
}