@misc{indiciaeaf558867de36,
  title = {Data regarding hydraulic fracturing distributions and treatment fluids, additives, proppants, and water volumes applied to wells drilled in the United States from 1947 through 2010},
  author = {Tanya J. Gallegos and Brian A. Varela},
  year = {2015},
  doi = {10.3133/ds868},
  url = {https://pubs.usgs.gov/publication/ds868},
  note = {Source identifier: ds868}
}