@misc{indiciae09e3a9ba4293,
  title = {Geology, geophysics, and geochronology of the Manson impact structure},
  author = {Jack B. Hartung and Michael J. Kunk and R. R. Anderson},
  year = {1990},
  doi = {10.1130/spe247-p207},
  url = {https://pubs.usgs.gov/publication/70207637},
  note = {Source identifier: 70207637}
}