@misc{indiciae6daa42ac877b,
  title = {Organic content of Devonian shale in western Appalachian basin},
  author = {James W. Schmoker},
  year = {1980},
  doi = {10.1306/2f919756-16ce-11d7-8645000102c1865d},
  url = {https://pubs.usgs.gov/publication/70012568},
  note = {Source identifier: 70012568}
}