@misc{indiciae47109aa047ec,
  title = {Analytical results from samples collected during coal-bed methane exploration drilling in Caldwell Parish, Louisiana},
  author = {Peter D. Warwick and F. Clayton Breland and Paul C. Hackley and Frank T. Dulong and Douglas J. Nichols and Alexander W. Karlsen and R. Marc Bustin and Charles E. Barker and Jason C. Willett and Michael H. Trippi},
  year = {2006},
  doi = {10.3133/ofr20061213},
  url = {https://pubs.usgs.gov/publication/ofr20061213},
  note = {Source identifier: ofr20061213}
}