@misc{indiciae544396d32c7e,
  title = {Map of susceptibility to landsliding, Allegheny County, Pennsylvania},
  author = {J. S. Pomeroy and W.E. Davies},
  year = {1975},
  doi = {10.3133/mf685b},
  url = {https://pubs.usgs.gov/publication/mf685B},
  note = {Source identifier: mf685B}
}