@misc{indiciae33e11ab609af,
  title = {Bibliography of publications by members of the Branch of Coal Geology, Office of Energy and Marine Geology, U.S. Geological Survey, January 1, 1985-September 30, 1994},
  author = {Margaret S. Ellis},
  year = {1995},
  doi = {10.3133/ofr9565a},
  url = {https://pubs.usgs.gov/publication/ofr9565A},
  note = {Source identifier: ofr9565A}
}