@misc{indiciaebcc0fe5db816,
  title = {Mineralogy and chemistry of samples from a drill hole in the southern extension of the land-pebble phosphate district, Florida},
  author = {James Bachelder Cathcart and Theodore Botinelly},
  year = {1991},
  doi = {10.3133/b1978},
  url = {https://pubs.usgs.gov/publication/b1978},
  note = {Source identifier: b1978}
}