@misc{indiciae2908a5eec77d,
  title = {Water resources data for Indiana, 1968},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1969},
  doi = {10.3133/wdrin681},
  url = {https://pubs.usgs.gov/publication/wdrIN681},
  note = {Source identifier: wdrIN681}
}