@misc{indiciaecd3c9f7eac80,
  title = {Permit application and approval chronology for a small airgun survey offshore southern California, June 1999},
  author = {Jonathan R. Childs and William R. Normark and Michael A. Fisher},
  year = {1999},
  doi = {10.3133/ofr99572},
  url = {https://pubs.usgs.gov/publication/ofr99572},
  note = {Source identifier: ofr99572}
}