@misc{indiciae451ccd2d3977,
  title = {Ohio's Abandoned Mine Lands Reclamation Program: a Study of Data Collection and Evaluation Techniques},
  author = {Sperry, S. L.},
  year = {1982},
  url = {https://ntrs.nasa.gov/citations/19830017918},
  note = {Source identifier: 19830017918}
}