@misc{indiciaeaf404c1b1661,
  title = {United States earthquakes, 1928-1935},
  author = {U.S. Coast and Geodetic Survey},
  year = {1968},
  doi = {10.3133/ofr84928},
  url = {https://pubs.usgs.gov/publication/ofr84928},
  note = {Source identifier: ofr84928}
}