@misc{indiciae672b6a53999b,
  title = {Lead-soft and easy to cast},
  author = {S.J. Kropschot and Jeff L. Doebrich},
  year = {2011},
  doi = {10.3133/fs20113045},
  url = {https://pubs.usgs.gov/publication/fs20113045},
  note = {Source identifier: fs20113045}
}