@misc{indiciaedd6116e3aa2d,
  title = {On the mechanical interaction between a fluid-filled fracture and the earth's surface},
  author = {David D. Pollard and Gary Holzhausen},
  year = {1979},
  doi = {10.1016/0040-1951(79)90353-6},
  url = {https://pubs.usgs.gov/publication/70012497},
  note = {Source identifier: 70012497}
}