@misc{indiciae5e2ed13cbfb0,
  title = {Geyser's magma chamber, California: constraints from gravity data, density measurements, and well information},
  author = {Richard J. Blakely and W. D. Stanley},
  year = {1993},
  url = {https://pubs.usgs.gov/publication/70018004},
  note = {Source identifier: 70018004}
}