@misc{indiciaebadaf97b066b,
  title = {Decline of pumping levels in Houston municipal wells, 1939-49},
  author = {J.W. Lang},
  year = {1949},
  doi = {10.3133/ofr4990},
  url = {https://pubs.usgs.gov/publication/ofr4990},
  note = {Source identifier: ofr4990}
}