@misc{indiciaea42b0b66d957,
  title = {Maps showing cumulative damage potential from earthquake ground shaking, San Mateo County, California},
  author = {J. B. Perkins},
  year = {1987},
  doi = {10.3133/i1257i},
  url = {https://pubs.usgs.gov/publication/i1257I},
  note = {Source identifier: i1257I}
}