@misc{indiciae6dc7844924e0,
  title = {Digital map data, text, and graphical images in support of the 1995 National assessment of United States oil and gas resources},
  author = {William R. Beeman and Raymond C. Obuch and James D. Brewton},
  year = {1996},
  doi = {10.3133/ds35},
  url = {https://pubs.usgs.gov/publication/ds35},
  note = {Source identifier: ds35}
}