@misc{indiciae31c26057f226,
  title = {Landslide susceptibility map of part of the Valencia 7-1/2' Quadrangle, Allegheny County and vicinity, Pennsylvania},
  author = {John S. Pomeroy},
  year = {1974},
  doi = {10.3133/ofr74116},
  url = {https://pubs.usgs.gov/publication/ofr74116},
  note = {Source identifier: ofr74116}
}