@misc{indiciaed60caa8201ba,
  title = {The New Albany Shale petroleum system, Illinois basin - Data and map image archive from the material-balance assessment},
  author = {Debra K. Higley and M. E. Henry and M. D. Lewan and Janet K. Pitman},
  year = {2003},
  doi = {10.3133/ofr200337},
  url = {https://pubs.usgs.gov/publication/ofr200337},
  note = {Source identifier: ofr200337}
}