@misc{indiciae262e43d4dc4f,
  title = {Chemical analyses of lignite from the Wilcox Group, Texas region, central and eastern Texas},
  author = {Rick T. Hildebrand and Joseph R. Hatch and Christopher D. Henry},
  year = {1979},
  doi = {10.3133/ofr791250},
  url = {https://pubs.usgs.gov/publication/ofr791250},
  note = {Source identifier: ofr791250}
}