@misc{indiciaedb313cc90266,
  title = {Digital data and geologic map of the Powder Mill Ferry Quadrangle, Shannon and Reynolds counties, Missouri},
  author = {Robert C. McDowell and Richard W. Harrison and Kerry M. Lagueux},
  year = {2000},
  doi = {10.3133/i2722},
  url = {https://pubs.usgs.gov/publication/i2722},
  note = {Source identifier: i2722}
}