@misc{indiciae540bf17523c1,
  title = {Low strength of deep San Andreas fault gouge from SAFOD core},
  author = {David A. Lockner and Carolyn A. Morrow and Diane E. Moore and Stephen H. Hickman},
  year = {2011},
  doi = {10.1038/nature09927},
  url = {https://pubs.usgs.gov/publication/70034792},
  note = {Source identifier: 70034792}
}