@misc{indiciae13cf139f06b6,
  title = {Patterns of diagenesis in Lower and Middle Pennsylvanian sandstones of the Illinois Basin, Illinois, Indiana, and Kentucky},
  author = {Paula L. Hansley},
  year = {1996},
  doi = {10.3133/b2094e},
  url = {https://pubs.usgs.gov/publication/b2094E},
  note = {Source identifier: b2094E}
}