@misc{indiciae6195d528cae2,
  title = {Factors affecting the geochemistry of a thick, subbituminous coal bed in the Powder River Basin: Volcanic, detrital, and peat-forming processes},
  author = {Sharon S. Crowley and Leslie F. Ruppert and Harvey E. Belkin and R.W. Stanton and T.A. Moore},
  year = {1993},
  doi = {10.1016/0146-6380(93)90067-l},
  url = {https://pubs.usgs.gov/publication/70017396},
  note = {Source identifier: 70017396}
}