@misc{indiciae01d23a00665f,
  title = {Petroleum geology of Paleozoic rocks of Cordilleran miogeosyncline: Talk for U.S.G.S. petroleum research and resources seminar, Dec. 12, 1974},
  author = {Charles A. Sandberg},
  year = {1975},
  doi = {10.3133/ofr7596},
  url = {https://pubs.usgs.gov/publication/ofr7596},
  note = {Source identifier: ofr7596}
}