@misc{indiciae3f4d041d2c8b,
  title = {Map showing landforms and sedimentary deposits of the Padre Island portion of the South Bird Island 7.5-minute quadrangle, Texas},
  author = {R. E. Hunter and K. A. Dickinson},
  year = {1970},
  doi = {10.3133/i659},
  url = {https://pubs.usgs.gov/publication/i659},
  note = {Source identifier: i659}
}