@misc{indiciaeb54e167ec59a,
  title = {Notes on use and maintenance of vertical pulverizers for geologic materials},
  author = {John Moreland and Alfred Tennyson Myers},
  year = {1973},
  doi = {10.3133/ofr73194},
  url = {https://pubs.usgs.gov/publication/ofr73194},
  note = {Source identifier: ofr73194}
}