@misc{indiciaeec9221ef9a1e,
  title = {Report of the committee on underground waters, 1938–39},
  author = {David G. Thompson},
  year = {2014},
  doi = {10.1029/tr020i004p00545},
  url = {https://pubs.usgs.gov/publication/70214050},
  note = {Source identifier: 70214050}
}