@misc{indiciae5b3259a2cc61,
  title = {Sedimentology and petroleum occurrence, Schoolhouse Member, Maroon Formation (Lower Permian), northwestern Colorado},
  author = {Samuel Y. Johnson and Christopher J. Schenk and D. L. Anders and Michele L. Tuttle},
  year = {1990},
  doi = {10.1306/0c9b2277-1710-11d7-8645000102c1865d},
  url = {https://pubs.usgs.gov/publication/70016226},
  note = {Source identifier: 70016226}
}