@misc{indiciaebfb749646f97,
  title = {Geology and coal resources of the Little Susitna district, Matanuska coal field, Alaska},
  author = {F.F. Barnes and Daniel Sokol},
  year = {1959},
  doi = {10.3133/b1058d},
  url = {https://pubs.usgs.gov/publication/b1058D},
  note = {Source identifier: b1058D}
}