@misc{indiciaedacfc003b2bf,
  title = {Estimation of volume and mass and of changes in volume and mass of selected chat piles in the Picher mining district, Ottawa County, Oklahoma, 2005-10},
  author = {S. Jerrod Smith},
  year = {2013},
  doi = {10.3133/sir20135011},
  url = {https://pubs.usgs.gov/publication/sir20135011},
  note = {Source identifier: sir20135011}
}