@misc{indiciaede76648197fd,
  title = {Aggregate resource availability in the conterminous United States, including suggestions for addressing shortages, quality, and environmental concerns},
  author = {William H. Langer},
  year = {2011},
  doi = {10.3133/ofr20111119},
  url = {https://pubs.usgs.gov/publication/ofr20111119},
  note = {Source identifier: ofr20111119}
}