@misc{indiciaec423c743672d,
  title = {The Digital Shoreline Analysis System (DSAS) Version 4.0 - An ArcGIS extension for calculating shoreline change},
  author = {E. Robert Thieler and Emily A. Himmelstoss and Jessica L. Zichichi and Ayhan Ergul},
  year = {2009},
  doi = {10.3133/ofr20081278},
  url = {https://pubs.usgs.gov/publication/ofr20081278},
  note = {Source identifier: ofr20081278}
}