@misc{indiciae602485f5799d,
  title = {Geology and coal fields of the lower Matanuska Valley, Alaska},
  author = {George Curtis Martin and Frank James Katz},
  year = {1912},
  doi = {10.3133/b500},
  url = {https://pubs.usgs.gov/publication/b500},
  note = {Source identifier: b500}
}