@misc{indiciaed86e1b4ca10d,
  title = {Microbanded manganese formations; protoliths in the Franciscan Complex, California},
  author = {J. Stephen Huebner and Marta J. Flohr},
  year = {1990},
  doi = {10.3133/pp1502},
  url = {https://pubs.usgs.gov/publication/pp1502},
  note = {Source identifier: pp1502}
}