@misc{indiciae664967d14836,
  title = {Middle Devonian to Late Mississippian event stratigraphy of Overthrust belt region, western United States},
  author = {Charles Sandberg and R.C. Gutschick and J.G. Johnson and F. G. Poole and W.J. Sando},
  year = {1986},
  url = {https://pubs.usgs.gov/publication/70014540},
  note = {Source identifier: 70014540}
}