@misc{indiciaefc50d375d775,
  title = {New insight into the origin of manganese oxide ore deposits in the Appalachian Valley and Ridge of northeastern Tennessee and northern Virginia, USA},
  author = {Sarah K. Carmichael and Daniel H. Doctor and Crystal G. Wilson and Joshua Feierstein and Ryan J. McAleer},
  year = {2017},
  doi = {10.1130/b31682.1},
  url = {https://pubs.usgs.gov/publication/70191279},
  note = {Source identifier: 70191279}
}