@misc{indiciaeab6f421304be,
  title = {Estimates of groundwater age from till and carbonate bedrock hydrogeologic units at Jefferson Proving Ground, Southeastern Indiana, 2007-08},
  author = {Paul M. Buszka and David C. Lampe and Amanda L. Egler},
  year = {2010},
  doi = {10.3133/sir20105178},
  url = {https://pubs.usgs.gov/publication/sir20105178},
  note = {Source identifier: sir20105178}
}