@misc{indiciaeba975a1f6c28,
  title = {Chart showing number of particles of metal expected per 5 pound sample for various levels of grade and average particle size (regardless of the spatial distribution of particles)},
  author = {A.T. Miesch},
  year = {1967},
  doi = {10.3133/ofr67155},
  url = {https://pubs.usgs.gov/publication/ofr67155},
  note = {Source identifier: ofr67155}
}