@misc{indiciae6ab55e54addb,
  title = {Swash mark and grain flow},
  author = {Sallenger},
  year = {1981},
  doi = {10.1306/212f7c61-2b24-11d7-8648000102c1865d},
  url = {https://pubs.usgs.gov/publication/70011991},
  note = {Source identifier: 70011991}
}