@misc{indiciae824ce04fd403,
  title = {Mineral resources of Alaska, report on progress of investigations in 1935. The Eska Creek coal deposits, Matanuska Valley},
  author = {Ralph Tuck},
  year = {1937},
  doi = {10.3133/b880d},
  url = {https://pubs.usgs.gov/publication/b880D},
  note = {Source identifier: b880D}
}