@misc{indiciaef23bfac1a382,
  title = {Intrusion of horizontal dikes: tectonic significance of Middle Proterozoic diabase sheets widespread in the upper crust of the southwestern United States},
  author = {K. A. Howard},
  year = {2012},
  doi = {10.1029/91jb00112},
  url = {https://pubs.usgs.gov/publication/70016410},
  note = {Source identifier: 70016410}
}