@misc{indiciae4b3bd11c5fa0,
  title = {National assessment of shoreline change, part 4: Historical coastal cliff retreat along the California coast},
  author = {Cheryl J. Hapke and David Reid},
  year = {2007},
  doi = {10.3133/ofr20071133},
  url = {https://pubs.usgs.gov/publication/ofr20071133},
  note = {Source identifier: ofr20071133}
}