@misc{indiciae74e8661d314e,
  title = {Subtle structural influences on coal thickness and distribution: Examples from the Lower Broas-Stockton coal (Middle Pennsylvanian), Eastern Kentucky Coal Field, USA},
  author = {S.F. Greb and C.F. Eble and J.C. Hower},
  year = {2005},
  doi = {10.1130/0-8137-2387-6.31},
  url = {https://pubs.usgs.gov/publication/70035154},
  note = {Source identifier: 70035154}
}