@misc{indiciaef7b8b4de71a7,
  title = {Bibliography technical reports, articles, and memoranda published or otherwise released by the Ground Water Branch during the calendar year, 1960},
  author = {M. S. Griffin and E.N. Clark},
  year = {1961},
  doi = {10.3133/ofr6157},
  url = {https://pubs.usgs.gov/publication/ofr6157},
  note = {Source identifier: ofr6157}
}