@misc{indiciae3b3a8d0d33a1,
  title = {Land subsidence in the San Joaquin Valley, California, as of 1972},
  author = {J. F. Poland and B. E. Lofgren and R. L. Ireland and R.G. Pugh},
  year = {1975},
  doi = {10.3133/pp437h},
  url = {https://pubs.usgs.gov/publication/pp437H},
  note = {Source identifier: pp437H}
}