@misc{indiciaeb10f57d34b49,
  title = {Mineral resource assessment map of the Big Gum Swamp Roadless Area, Columbia and Baker counties, Florida},
  author = {J.B. Cathcart and C. C. Cameron and S. H. Patterson},
  year = {1986},
  doi = {10.3133/mf1572c},
  url = {https://pubs.usgs.gov/publication/mf1572C},
  note = {Source identifier: mf1572C}
}