@misc{indiciae9cf9bd683656,
  title = {Geologic assessments and characterization of marine sand resources - Gulf of Mexico region},
  author = {S. Jeffress Williams and Helana A. Cichon},
  year = {1993},
  url = {https://pubs.usgs.gov/publication/70017792},
  note = {Source identifier: 70017792}
}