@misc{indiciae7d0ffe7175d0,
  title = {Landslide susceptibility map of the Emsworth 7 1/2-minute Quadrangle, Allegheny County, Pennsylvania},
  author = {John S. Pomeroy},
  year = {1974},
  doi = {10.3133/ofr7475},
  url = {https://pubs.usgs.gov/publication/ofr7475},
  note = {Source identifier: ofr7475}
}