@misc{indiciaed7097103a2c7,
  title = {Geology and coal resources of the Toledo-Castle Rock district, Cowlitz and Lewis Counties, Washington},
  author = {Albert Eugene Roberts},
  year = {1958},
  doi = {10.3133/b1062},
  url = {https://pubs.usgs.gov/publication/b1062},
  note = {Source identifier: b1062}
}