@misc{indiciaebaa013b73e61,
  title = {Map showing density of landslides in the Pittsburgh East Quadrangle, Allegheny County, Pennsylvania},
  author = {J. S. Pomeroy},
  year = {1974},
  doi = {10.3133/ofr74236},
  url = {https://pubs.usgs.gov/publication/ofr74236},
  note = {Source identifier: ofr74236}
}