@misc{indiciae0522321f3f3a,
  title = {Age and geomorphic history of Meteor Crater, Arizona, from cosmogenic 36Cl and 14C in rock varnish},
  author = {F. M. Phillips and M.G. Zreda and S.S. Smith and D. Elmore and P.W. Kubik and R.I. Dorn and D. J. Roddy},
  year = {1991},
  doi = {10.1016/0016-7037(91)90387-k},
  url = {https://pubs.usgs.gov/publication/70016502},
  note = {Source identifier: 70016502}
}