@misc{indiciaeeb87d2e6b614,
  title = {Mineral Commodity Summaries 2010},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {2010},
  doi = {10.3133/mineral2010},
  url = {https://pubs.usgs.gov/publication/mineral2010},
  note = {Source identifier: mineral2010}
}