@misc{indiciae17c4d519ea38,
  title = {Geology of the aluminum phosphate zone in the Lakeland Highlands area and Clark James--South Ridgewood tracts, land-pebble phosphate district, Polk County, Florida},
  author = {William Lee Emerick},
  year = {1957},
  doi = {10.3133/tei668},
  url = {https://pubs.usgs.gov/publication/tei668},
  note = {Source identifier: tei668}
}