@misc{indiciae850892ae70ad,
  title = {Impact mechanics at Meteor Crater, Arizona},
  author = {Eugene Merle Shoemaker},
  year = {1959},
  doi = {10.3133/ofr59108},
  url = {https://pubs.usgs.gov/publication/ofr59108},
  note = {Source identifier: ofr59108}
}