@misc{indiciae2e1f6efe80f6,
  title = {Manganese carbonate in the Batesville district, Arkansas},
  author = {Hugh D. Miser},
  year = {1941},
  doi = {10.3133/b921a},
  url = {https://pubs.usgs.gov/publication/b921A},
  note = {Source identifier: b921A}
}