@misc{indiciae73207059a8d5,
  title = {Assessment of the Mowry Shale and Niobrara Formation as Continuous Hydrocarbon Systems, Powder River Basin, Montana and Wyoming},
  author = {Lawrence O. Anna and Troy A. Cook},
  year = {2008},
  doi = {10.3133/ofr20081367},
  url = {https://pubs.usgs.gov/publication/ofr20081367},
  note = {Source identifier: ofr20081367}
}