@misc{indiciaeb1722d256183,
  title = {Collapse and erosion at the low-level radioactive-waste burial site near Sheffield, Illinois},
  author = {J. R. Gray and L. L. McGovern},
  year = {1985},
  url = {https://pubs.usgs.gov/publication/70128352},
  note = {Source identifier: 70128352}
}