@misc{indiciaed7c78b9fe9ef,
  title = {Coal refuse site inventories},
  author = {Wobber, F. J. and Wier, C. E. and Leshendok, T. and Beeman, W.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19750060536},
  note = {Source identifier: 19750060536}
}