@misc{indiciae69d1adcbcde5,
  title = {Chemical and mineral composition data on oil shale and retorted oil-shale wastes from Rulison, Colorado},
  author = {M. L. Tuttle and D. J. Ackerman and W.E. Dean and Paul H. Briggs and A.J. Bartel},
  year = {1983},
  doi = {10.3133/ofr83378},
  url = {https://pubs.usgs.gov/publication/ofr83378},
  note = {Source identifier: ofr83378}
}